oj.uz

답안 #638135

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
638135 2022-09-04T18:05:14 Z Iwanttobreakfree Regions (IOI09_regions) C++17
18 / 100
 985 ms 131072 KB 
#include <iostream>
#include <vector>
#include <map>
using namespace std;
int ans;
map<int,int> dfs(int a,vector<vector<int>>& g,vector<int>& reg,vector<map<int,int>>& ans){
    for(int u:g[a]){
        map<int,int> x=dfs(u,g,reg,ans);
        if(x.size()>ans[a].size())swap(x,ans[a]);
        for(auto y:x)ans[a][y.first]+=y.second;
        ans[a][reg[u]]++;
    }
    return ans[a];
}
int main(){
    int n,r,q,x,y;
    cin>>n>>r>>q;
    vector<int> reg(n);
    vector<vector<int>> g(n,vector<int>());
    vector<map<int,int>> ans(n,map<int,int>());
    vector<vector<int>> sol(r+1,vector<int>(r+1));
    cin>>reg[0];
    for(int i=1;i<n;i++){
        cin>>x>>reg[i];
        x--;
        g[x].push_back(i);
    }
    dfs(0,g,reg,ans);
    for(int i=0;i<n;i++){
        for(auto mp:ans[i]){
            //cout<<mp.first<<' ';
            sol[reg[i]][mp.first]+=mp.second;
        }
    }
    while(q--){
        cin>>x>>y;
        cout<<sol[x][y]<<'\n';
    }
}

Subtask #1
13.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 720 KB Output is correct
6 Correct 34 ms 7248 KB Output is correct
7 Correct 34 ms 1744 KB Output is correct
8 Correct 35 ms 4008 KB Output is correct
9 Correct 161 ms 68380 KB Output is correct
10 Correct 83 ms 12260 KB Output is correct
11 Correct 174 ms 33616 KB Output is correct
12 Runtime error 137 ms 131072 KB Execution killed with signal 9
13 Correct 176 ms 8776 KB Output is correct
14 Correct 229 ms 26640 KB Output is correct
15 Runtime error 140 ms 131072 KB Execution killed with signal 9

Subtask #2
5.0 / 85.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 163 ms 131072 KB Execution killed with signal 9
2 Correct 985 ms 114116 KB Output is correct
3 Runtime error 176 ms 131072 KB Execution killed with signal 9
4 Runtime error 113 ms 131072 KB Execution killed with signal 9
5 Runtime error 86 ms 131072 KB Execution killed with signal 9
6 Runtime error 56 ms 131072 KB Execution killed with signal 9
7 Runtime error 58 ms 131072 KB Execution killed with signal 9
8 Runtime error 61 ms 131072 KB Execution killed with signal 9
9 Runtime error 64 ms 131072 KB Execution killed with signal 9
10 Runtime error 53 ms 131072 KB Execution killed with signal 9
11 Runtime error 55 ms 131072 KB Execution killed with signal 9
12 Runtime error 54 ms 131072 KB Execution killed with signal 9
13 Runtime error 56 ms 131072 KB Execution killed with signal 9
14 Runtime error 64 ms 131072 KB Execution killed with signal 9
15 Runtime error 58 ms 131072 KB Execution killed with signal 9
16 Runtime error 51 ms 131072 KB Execution killed with signal 9
17 Runtime error 56 ms 131072 KB Execution killed with signal 9