maijiajun
UID: 18260, 注册于 2022-12-22 10:08:24, 最后登录于 2024-4-13 16:23:49, 目前离线.
解决了 4 道题目，RP: 10 (No. 2982)
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个人简介
有志者，事竟成，破釜沉舟，百二秦关终属楚；苦心人，天不负，卧薪尝胆，三千越甲可吞吴。
to be a winner,or not to be a winner. this is a question
加我团队吧！
我的洛谷账号
火车头
#pragma GCC optimize(2) #pragma GCC optimize(3) #pragma GCC optimize("Ofast") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra") #pragma GCC optimize("-ftree-pre") #pragma GCC optimize("-ftree-vrp") #pragma GCC optimize("-fpeephole2") #pragma GCC optimize("-ffast-math") #pragma GCC optimize("-fsched-spec") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-falign-jumps") #pragma GCC optimize("-falign-loops") #pragma GCC optimize("-falign-labels") #pragma GCC optimize("-fdevirtualize") #pragma GCC optimize("-fcaller-saves") #pragma GCC optimize("-fcrossjumping") #pragma GCC optimize("-fthread-jumps") #pragma GCC optimize("-funroll-loops") #pragma GCC optimize("-fwhole-program") #pragma GCC optimize("-freorder-blocks") #pragma GCC optimize("-fschedule-insns") #pragma GCC optimize("inline-functions") #pragma GCC optimize("-ftree-tail-merge") #pragma GCC optimize("-fschedule-insns2") #pragma GCC optimize("-fstrict-aliasing") #pragma GCC optimize("-fstrict-overflow") #pragma GCC optimize("-falign-functions") #pragma GCC optimize("-fcse-skip-blocks") #pragma GCC optimize("-fcse-follow-jumps") #pragma GCC optimize("-fsched-interblock") #pragma GCC optimize("-fpartial-inlining") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("-freorder-functions") #pragma GCC optimize("-findirect-inlining") #pragma GCC optimize("-fhoist-adjacent-loads") #pragma GCC optimize("-frerun-cse-after-loop") #pragma GCC optimize("inline-small-functions") #pragma GCC optimize("-finline-small-functions") #pragma GCC optimize("-ftree-switch-conversion") #pragma GCC optimize("-foptimize-sibling-calls") #pragma GCC optimize("-fexpensive-optimizations") #pragma GCC optimize("-funsafe-loop-optimizations") #pragma GCC optimize("inline-functions-called-once") #pragma GCC optimize("-fdelete-null-pointer-checks")插入排序
#include<iostream> #include<cmath> using namespace std; int n,a[100005]; int main() { cin>>n; for(int i=1;i<=n;i++)cin>>a[i]; for(int i=1;i<=n;i++) { int j=i-1; while(j>=1&&a[j]>a[j+1]) { swap(a[j],a[j+1]); j--; } } for(int i=1;i<=n;i++)cout<<a[i]<<" "; return 0; }堆排序
#include<iostream> #include<cmath> using namespace std; int t,p[1000005],len; void push_up(int id) { if(id/2==0)return; if(p[id/2]>p[id]) { swap(p[id/2],p[id]); push_up(id/2); } } void push_down(int id) { int k=id; if(id*2<=len&&p[id*2]<p[k]) k=id*2; if(id*2+1<=len&&p[id*2+1]<p[k]) k=id*2+1; if(id!=k) { swap(p[id],p[k]); push_down(k); } } int main() { cin>>t; while(t--) { int opt,x; cin>>opt; if(opt==1) { cin>>x; p[++len]=x; push_up(len); } else if(opt==2) { cout<<p[1]<<endl; } else { p[1]=p[len--]; push_down(1); } } return 0; }归并排序
#include<iostream> using namespace std; int n,a[100005],b[100005]; void merger_sort(int l,int r) { if(l>=r)return; int mid=l+r>>1; merger_sort(l,mid); merger_sort(mid+1,r); int x=l,L=l,y=mid+1; while(x<=mid&&y<=r) { if(a[x]<=a[y]) b[l++]=a[x++]; else b[l++]=a[y++]; } while(x<=mid) b[l++]=a[x++]; while(y<=r) b[l++]=a[y++]; for(int i=L;i<=r;i++) a[i]=b[i]; } int main() { cin>>n; for(int i=1;i<=n;i++)cin>>a[i]; merger_sort(1,n); for(int i=1;i<=n;i++)cout<<a[i]<<" "; return 0; }快速排序
#include<iostream> using namespace std; int n,a[100005]; int check(int l,int r) { int k=l; while(l<=r) { while(l<=r&&a[l]<=a[k]) l++; while(l<=r&&a[r]>=a[k]) r--; if(l<=r) swap(a[l],a[r]); } swap(a[k],a[r]); return r; } void quickly_sort(int l,int r) { if(l>=r)return; int mid=check(l,r); quickly_sort(l,mid-1); quickly_sort(mid+1,r); } int main() { cin>>n; for(int i=1;i<=n;i++)cin>>a[i]; quickly_sort(1,n); for(int i=1;i<=n;i++)cout<<a[i]<<" "; return 0; }拓扑排序（
还没学）我的自创小游戏
#include<iostream> #include<bits/stdc++.h> #include<ctime> #include<conio.h> #include<Windows.h> #include<stdlib.h> using namespace std; int main() { cout<<"请输入密码："<<endl; int mima; cin>>mima; if(mima!=123698745) { Sleep(5000); cout<<"运行时间较长，请耐心等待反馈错误信息........."<<endl; Sleep(2000); system("pause"); system("pause"); system("pause"); return 0; } cout<<"请选择你的身份："<<endl; int sf; cout<<"1.管理员 2.游客"<<endl; cin>>sf; bool flag=false; if(sf==1) { cout<<"请输入您的名字、密码："<<endl; char name; int mm; cin>>name>>mm; if(name=='H'&&mm==123123) { flag=true; system("cls"); cout<<"Welcome!"<<endl; Sleep(2000); cout<<"在主程序中(非真正cmd)输入999可获得惊喜。"<<endl; Sleep(2000); system("cls"); system("cmd"); } else if(name=='m'&&mm==123698745) { flag=true; system("cls"); cout<<"Welcome!"<<endl; Sleep(2000); cout<<"在主程序中(非真正cmd)输入999可获得惊喜。"<<endl; Sleep(2000); system("cls"); system("cmd"); } else { cout<<"错误！！您即将以游客身份进入。"<<endl; Sleep(2000); } } unsigned long long cz=0; system("cls"); cout<<"作者衷心的提醒您，不要输入字符、字符串指令或过长的数字"; for(int i=1;i<=25;i++) { cout<<"."; Sleep(100); } cout<<endl; while(1) { system("color 0F"); system("cls"); cout<<endl; cout<<"----------cmd----------"<<endl; cout<<"1.计算器"<<endl; cout<<"2.关机程序"<<endl; cout<<"3.草稿纸"<<endl; cout<<"4.系统查询"<<endl; cout<<"5.cmd后台"<<endl; cout<<"6.帮助"<<endl; cout<<"7.仿黑客"<<endl; cout<<"8.游戏"<<endl; cout<<"9.画图"<<endl; cout<<"输入-1退出程序。"<<endl; cout<<"----请输入序号进行操作："; cin>>cz; if(cz==-1)return 0; if(cz==1) { system("cls"); cout<<"请问您需要系统计算机(1)还是简单计算机(2)？"<<endl; int xz; cout<<"请输入："; cin>>xz; if(xz==1) { system("calc"); } else if(xz==2) { system("cls"); cout<<"-----简易计算机-----"<<endl; int a,b; while(1) { cout<<"请输入两个数(整数)(-1退出)："; cin>>a; if(a==-1)break; cin>>b; cout<<endl; cout<<"和："<<a+b<<endl; cout<<"差："<<a-b<<endl; cout<<"积："<<a*b<<endl; cout<<"商："<<a/b<<endl; cout<<"余："<<a%b<<endl; system("pause"); system("cls"); } } } else if(cz==2) { char ch; system("cls"); cout<<"你需要知道取消关机密码方可安全关机！！"<<endl;\ Sleep(1000); cout<<"继续输入y，取消输入n"<<endl; cin>>ch; if(ch=='y') { system("shutdown -s -t 120"); for(int i=3;i>=1;i--) { int qx; cout<<"若要取消关机输入密码，否则输入-1(你还有"<<i<<"次机会)"<<endl; cin>>qx; if(qx==-1)break; else if(qx==123698745) { system("shutdown -a"); break; } else cout<<"错误！"<<endl; } } else continue; } else if(cz==3) { system("notepad"); } else if(cz==4) { system("ver"); system("pause"); } else if(cz==5) { system("cls"); system("cmd"); } else if(cz==6) { cout<<"以下是cmd后台的指令："<<endl; system("pause"); system("help"); system("pause"); } else if(cz==7) { system("cls"); cout<<"输入时间(建议100以上，否则太短)："<<endl; int time; cin>>time; if(time%2==0)system("color 0a"); else system("color 0c"); for(int i=0;i<=time;i++) { cout<<"01001010010001011110101110101010001111110101"; } system("pause"); system("color 0F"); } else if(cz==8) { system("cls"); cout<<"请选择游戏："<<endl; int game; cout<<"1.石头剪刀布 2.迷宫 3.问答小游戏"<<endl; cin>>game; if(game==1) { srand(time(0)); int sjb=0; while(1) { system("cls"); cout<<"计算机已经想好了它要出的种类。"<<endl; Sleep(1000); cout<<"现在你来选择：1.石头 2.剪刀 3.布(-1退出)"<<endl; cin>>sjb; if(sjb==-1)break; int cmt=rand()%3+1; if(sjb==1) { switch(cmt) { case 1:cout<<"平局！计算机出"<<cmt<<endl,system("pause");break; case 2:cout<<"你赢了！计算机出"<<cmt<<endl,system("pause");break; case 3:cout<<"你输了！计算机出"<<cmt<<endl,system("pause");break; } } if(sjb==2) { switch(cmt) { case 2:cout<<"平局！计算机出"<<cmt<<endl,system("pause");break; case 3:cout<<"你赢了！计算机出"<<cmt<<endl,system("pause");break; case 1:cout<<"你输了！计算机出"<<cmt<<endl,system("pause");break; } } if(sjb==3) { switch(cmt) { case 3:cout<<"平局！计算机出"<<cmt<<endl,system("pause");break; case 1:cout<<"你赢了！计算机出"<<cmt<<endl,system("pause");break; case 2:cout<<"你输了！计算机出"<<cmt<<endl,system("pause");break; } } } } else if(game==2) { char map[15][15]={{'-','-','-','-','-','-','-','-','-','-'}, {'|','0',' ',' ',' ','#',' ','#','#','|'}, {'|',' ',' ','#',' ','#',' ','#',' ','|'}, {'|','#',' ','#',' ',' ',' ',' ','#','|'}, {'|',' ',' ','#',' ','#',' ','#','#','|'}, {'|','#','#',' ','#',' ',' ',' ','#','|'}, {'|',' ','#',' ',' ',' ','#','#',' ','|'}, {'|',' ',' ',' ','#','#','#','#','#','|'}, {'|','#',' ','#',' ',' ',' ','#','#','|'}, {'|','#',' ',' ',' ','#',' ',' ','E','|'}, {'-','-','-','-','-','-','-','-','-','-'}}; char ch,st; int sx,sy,ex,ey; sx=1,sy=1,ex=9,ey=8; system("cls"); cout<<"欢迎来到迷宫游戏！！"<<endl; Sleep(1000); cout<<"wasd分别是上左下右"<<endl; Sleep(1000); cout<<"输入y开始，n取消"<<endl; cin>>st; if(st!='y')continue; system("cls"); cout<<"0是你，E是终点，空格是路，#是墙壁,-/|是边界"<<endl; for(int i=0;i<11;i++) { for(int j=0;j<=10;j++) { cout<<map[i][j]; } cout<<endl; } while(1) { ch=getch(); if(ch=='w') { if(map[sx-1][sy]!='-'&&map[sx-1][sy]!='#') map[sx][sy]=' ',map[--sx][sy]='0'; } else if(ch=='s') { if(map[sx+1][sy]!='-'&&map[sx+1][sy]!='#') map[sx][sy]=' ',map[++sx][sy]='0'; } else if(ch=='a') { if(map[sx][sy-1]!='|'&&map[sx][sy-1]!='#') map[sx][sy]=' ',map[sx][--sy]='0'; } else if(ch=='d') { if(map[sx][sy+1]!='|'&&map[sx][sy+1]!='#') map[sx][sy]=' ',map[sx][++sy]='0'; } if(sx==ex&&sy==ey)break; system("cls"); cout<<"0是你，E是终点，空格是路，#是墙壁,-/|是边界"<<endl; for(int i=0;i<11;i++) { for(int j=0;j<=10;j++) { cout<<map[i][j]; } cout<<endl; } } system("cls"); system("color 6E"); cout<<"你赢了！！！"<<endl; system("pause"); system("color 0F"); } else if(game==3) { system("cls"); cout<<"问答小游戏"<<endl; system("pause"); if(MessageBox(NULL,("要继续吗？"),("问答小游戏"),MB_YESNO)==IDNO)return 0; MessageBox(NULL,("好的！"),("问答小游戏"),MB_OK); while(MessageBox(NULL,("1+1=2"),("问题1"),MB_ICONQUESTION|MB_YESNO)!=IDYES) { if(MessageBox(NULL,("你确定吗？"),("问题1"),MB_ICONINFORMATION|MB_RETRYCANCEL)==IDRETRY)continue; else { MessageBox(NULL,("错误！"),("游戏结束"),MB_ICONSTOP|MB_OK); return 0; } } MessageBox(NULL,("答对了！"),("恭喜"),MB_OK); while(MessageBox(NULL,("BDFS是指广搜"),("问题2"),MB_ICONQUESTION|MB_YESNO)!=IDNO) { if(MessageBox(NULL,("你确定吗？"),("问题2"),MB_ICONINFORMATION|MB_RETRYCANCEL)==IDRETRY)continue; else { MessageBox(NULL,("错误！"),("游戏结束"),MB_ICONSTOP|MB_OK); return 0; } } MessageBox(NULL,("你真厉害"),("恭喜"),MB_OK); MessageBox(NULL,("关卡题"),("警告"),MB_ICONEXCLAMATION|MB_OK); while(MessageBox(NULL,("你是个蒟蒻"),("问题3"),MB_ICONQUESTION|MB_YESNO)!=IDYES) { if(MessageBox(NULL,("你确定吗？"),("问题3"),MB_ICONINFORMATION|MB_RETRYCANCEL)==IDRETRY)continue; else { MessageBox(NULL,("恭喜大神成功跳关！"),("游戏结束"),MB_OK); return 0; } } MessageBox(NULL,("游戏结束后我会嘲讽并踩爆你"),("嘿嘿嘿"),MB_OK); if(MessageBox(NULL,("要关机吗"),("问题4"),MB_ICONQUESTION|MB_YESNOCANCEL)==IDYES) { if(MessageBox(NULL,("你确定吗？"),("问题4"),MB_ICONINFORMATION|MB_YESNO)==IDYES) { MessageBox(NULL,("好的！"),("要关机了"),MB_OK); system("shutdown -s -t 120"); return 0; } else MessageBox(NULL,("好的！"),("不关机了"),MB_OK); } else if(MessageBox(NULL,("要关机吗"),("问题4"),MB_ICONQUESTION|MB_YESNOCANCEL)==IDNO) { if(MessageBox(NULL,("你确定吗？"),("问题4"),MB_ICONINFORMATION|MB_YESNO)==IDYES) { MessageBox(NULL,("好的！"),("不关机了"),MB_OK); } else if(MessageBox(NULL,("是关还是不关？"),("???"),MB_ICONINFORMATION|MB_YESNO)==IDNO) MessageBox(NULL,("好的！"),("不关机了"),MB_OK); else { MessageBox(NULL,("好的！"),("要关机了"),MB_OK); system("shutdown -s -t 120"); return 0; } } MessageBox(NULL,("boss题"),("警告"),MB_ICONEXCLAMATION|MB_OK); while(MessageBox(NULL,("ikun会打篮球"),("ikun"),MB_ICONQUESTION|MB_YESNO)!=IDYES) { if(MessageBox(NULL,("你确定吗？"),("ikun"),MB_ICONINFORMATION|MB_YESNO)==IDYES) { MessageBox(NULL,("错误！"),("ikun"),MB_ICONSTOP|MB_OK); for(int i=1;i<=10;i++) { MessageBox(NULL,("鸡你太美"),("ikun"),MB_ICONEXCLAMATION|MB_OK); } return 0; } } MessageBox(NULL,("over"),("over"),MB_OK); } } else if(cz==9) { system("mspaint"); } else if(cz==999&&flag) { system("cls"); for(int i=1;i<=130;i++) { cout<<(char)(i); Sleep(150); } cout<<endl; system("pause"); } else cout<<"该指令不存在！！"<<endl,system("pause"); } }生成个随机数（10个一行）
#include<iostream> #include<ctime> #include<stdlib.h> using namespace std; int n,cnt; int main() { srand(time(0)); cin>>n; for(int i=1;i<=n;i++) { cnt++; cout<<rand()%10000+1<<" "; if(cnt==10) { cnt=0; cout<<endl; } } return 0; } -
通过的题目
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最近活动
This person is lazy and didn't join any contests or homework. -
最近编写的题解
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题目标签
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