| 比赛 |
USACO2026 JAN G&P2 |
评测结果 |
AAEEEEEEEEEEEEEEEEEEW |
| 题目名称 |
COW Traversals |
最终得分 |
8 |
| 用户昵称 |
梦那边的没好TM |
运行时间 |
2.728 s |
| 代码语言 |
C++ |
内存使用 |
3.37 MiB |
| 提交时间 |
2026-01-24 11:44:15 |
显示代码纯文本
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define cpy(a,b) copy(begin(a),end(a),begin(b))
#define ld long double
#define dot(x) fixed<<setprecision(x)
#define foru(a,b,c) for(ll a=b;a<=c;a++)
ll n,m,a[105],type[105];
bool vis[105];
int main(){
freopen("COW.in","r",stdin);
freopen("COW.out","w",stdout);
ios::sync_with_stdio(false);
cin.tie(NULL);cout.tie(NULL);
cin>>n;
foru(i,1,n)cin>>a[i];
cin>>m;
while(m--){
ll c;
char ch;
cin>>c>>ch;
if(ch=='C')type[c]=1;
else if(ch=='O')type[c]=2;
else if(ch=='W')type[c]=3;
else type[c]=0;
ll cntc=0,cnto=0,cntw=0;
foru(i,1,n){
memset(vis,0,sizeof vis);
ll cur=i;
while(!vis[cur]){
vis[cur]=1;
if(type[cur]){
if(type[cur]==1)cntc++;
if(type[cur]==2)cnto++;
if(type[cur]==3)cntw++;
break;
}
cur=a[cur];
}
}
cout<<cntc<<" "<<cnto<<" "<<cntw<<"\n";
}
return 0;
}