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답안 #933030

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
933030 2024-02-24T22:06:48 Z vjudge1 Regions (IOI09_regions) C++
0 / 100
 146 ms 20936 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;

int n, r, q;
int papa[200000];
int reg[200000];
vector<vector<int>> adj;

int busca(int node, int &r2){
    int cnt=0;
    if(reg[node]==r2)
        cnt++;
    for(int i=0; i<adj[node].size(); i++){
        cnt+=busca(adj[node][i], r2);
    }
    return cnt;
}

void checa(int r1, int r2){
    int ans=0;
    for(int i=0; i<n; i++){
        if(reg[i]==r1){
            ans+=busca(i, r2);
        }
        if(r1==r2)
            ans--;
    }
    cout<< ans;
    fflush(stdout);
}

void solve(){
    int x;
    cin>> n>> r>> q;
    adj.resize(n);
    cin>> reg[0];
    for(int i=1; i<n; i++){
        cin>> papa[i]>> reg[i];
        papa[i]--;
        adj[papa[i]].push_back(i);
        //adj[i].push_back(papa[i]);
    }
    
    int r1, r2;
    for(int i=0; i<q; i++){
        cin>> r1>> r2;
        checa(r1, r2);
    }
}
 
int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    
    int t=1;
    //cin>> t;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message

regions.cpp: In function 'int busca(int, int&)':
regions.cpp:15:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for(int i=0; i<adj[node].size(); i++){
      |                  ~^~~~~~~~~~~~~~~~~
regions.cpp: In function 'void solve()':
regions.cpp:35:9: warning: unused variable 'x' [-Wunused-variable]
   35 |     int x;
      |         ^

Subtask #1
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1 ms 344 KB Time limit exceeded (wall clock)
2 Execution timed out 1 ms 344 KB Time limit exceeded (wall clock)
3 Execution timed out 1 ms 344 KB Time limit exceeded (wall clock)
4 Execution timed out 0 ms 344 KB Time limit exceeded (wall clock)
5 Execution timed out 1 ms 344 KB Time limit exceeded (wall clock)
6 Execution timed out 1 ms 344 KB Time limit exceeded (wall clock)
7 Execution timed out 1 ms 340 KB Time limit exceeded (wall clock)
8 Execution timed out 1 ms 344 KB Time limit exceeded (wall clock)
9 Execution timed out 2 ms 856 KB Time limit exceeded (wall clock)
10 Execution timed out 2 ms 856 KB Time limit exceeded (wall clock)
11 Execution timed out 3 ms 1276 KB Time limit exceeded (wall clock)
12 Execution timed out 7 ms 1880 KB Time limit exceeded (wall clock)
13 Execution timed out 5 ms 1568 KB Time limit exceeded (wall clock)
14 Execution timed out 6 ms 2012 KB Time limit exceeded (wall clock)
15 Execution timed out 24 ms 4696 KB Time limit exceeded (wall clock)

Subtask #2
0 / 85.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 59 ms 5720 KB Time limit exceeded (wall clock)
2 Execution timed out 17 ms 4436 KB Time limit exceeded (wall clock)
3 Execution timed out 41 ms 7524 KB Time limit exceeded (wall clock)
4 Execution timed out 6 ms 2164 KB Time limit exceeded (wall clock)
5 Execution timed out 10 ms 3928 KB Time limit exceeded (wall clock)
6 Execution timed out 37 ms 3572 KB Time limit exceeded (wall clock)
7 Execution timed out 28 ms 4504 KB Time limit exceeded (wall clock)
8 Execution timed out 33 ms 9784 KB Time limit exceeded (wall clock)
9 Execution timed out 71 ms 10296 KB Time limit exceeded (wall clock)
10 Execution timed out 79 ms 15372 KB Time limit exceeded (wall clock)
11 Execution timed out 44 ms 10196 KB Time limit exceeded (wall clock)
12 Execution timed out 32 ms 12132 KB Time limit exceeded (wall clock)
13 Execution timed out 31 ms 12088 KB Time limit exceeded (wall clock)
14 Execution timed out 51 ms 11900 KB Time limit exceeded (wall clock)
15 Execution timed out 103 ms 16080 KB Time limit exceeded (wall clock)
16 Execution timed out 47 ms 20936 KB Time limit exceeded (wall clock)
17 Execution timed out 146 ms 20776 KB Time limit exceeded (wall clock)