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답안 #35210

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
35210 2017-11-19T04:14:28 Z wan2000 스파이 (JOI13_spy) C++14
10 / 100
 99 ms 21764 KB 
#include <bits/stdc++.h>

using namespace std;

template<typename T> inline void read(T &x){
    x = 0; char ch;
    while(!isdigit(ch=getchar()));
    do{x=10*x+ch-'0';}while(isdigit(ch=getchar()));
}

template<typename T> inline void write(T x){
    if(x<=9){
        putchar(x+'0');
        return;
    }
    write(x/10);
    putchar(x%10+'0');
}

template<typename T> inline void writeln(T x){
    write(x); putchar('\n');
}

const int N = 2222;
const int M = 5e5+111;

int n, m, tin[2][N], tout[2][N], counter, D[N][N];
vector<int> Adj[2][N];

void DFS(int u, int type){
    tin[type][u] = ++counter;
    for(int i = 0; i < (int)Adj[type][u].size(); i++){
        int v = Adj[type][u][i];
        DFS(v,type);
    }
    tout[type][u] = counter;
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    read(n); read(m);
    for(int i = 1; i <= n; i++){
        int x, y;
        read(x); read(y);
        Adj[0][x].push_back(i);
        Adj[1][y].push_back(i);
    }
    counter = -1;
    DFS(0,0);
    counter = -1;
    DFS(0,1);
    for(int i = 1; i <= m; i++){
        int a, b;
        read(a); read(b);
        int x = tin[0][a];
        int u = tout[0][a];
        int y = tin[1][b];
        int v = tout[1][b];
        D[x][y]++;
        D[x][v+1]--;
        D[u+1][y]--;
        D[u+1][v+1]++;
    }
    for(int x = 1; x <= n; x++){
        for(int y = 1; y <= n; y++){
            D[x][y] += D[x-1][y]+D[x][y-1]-D[x-1][y-1];
        }
    }
    for(int i = 1; i <= n; i++){
        //writeln(D[tin[0][i]][tin[1][i]]);
        cout<<D[tin[0][i]][tin[1][i]]<<'\n';
    }
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 21600 KB Output is correct
2 Correct 0 ms 21600 KB Output is correct
3 Correct 0 ms 21600 KB Output is correct
4 Correct 0 ms 21600 KB Output is correct
5 Correct 0 ms 21600 KB Output is correct
6 Correct 0 ms 21600 KB Output is correct
7 Correct 0 ms 21600 KB Output is correct
8 Correct 0 ms 21600 KB Output is correct
9 Correct 0 ms 21600 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 21760 KB Output is correct
2 Runtime error 16 ms 21764 KB Execution killed because of forbidden syscall writev (20)
3 Halted 0 ms 0 KB -

Subtask #3
0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 99 ms 21760 KB Execution killed because of forbidden syscall writev (20)
2 Halted 0 ms 0 KB -