oj.uz

답안 #2894

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
2894 2013-08-01T12:20:35 Z kipa00 간선 파괴 (GA5_destroy) C++
25 / 100
 2500 ms 2676 KB 
#include <cstdio>
#include <vector>
#include <memory.h>
using namespace std;

int V, E, Q;
pair<int, int> region;
vector<pair<int, int> > linklist[701];
bool Check[701];

void dfs(int Node) {
    int i;
    for (i=0; i<linklist[Node].size(); ++i) {
        int Node2 = linklist[Node][i].first, lineNum = linklist[Node][i].second;
        if (region.first <= lineNum && lineNum <= region.second) continue;
        if (!Check[Node2]) {
            Check[Node2] = true;
            dfs(Node2);
        }
    }
}

int dfsAll() {
    int i, cnt = 0;
    for (i=1; i<=V; ++i) {
        if (!Check[i]) {
            Check[i] = true;
            dfs(i);
            ++cnt;
        }
    }
    return cnt;
}

int main() {
    int i;
    scanf("%d %d", &V, &E);
    for (i=1; i<=E; ++i) {
        int st, ed;
        scanf("%d %d", &st, &ed);
        linklist[st].push_back(make_pair(ed, i));
        linklist[ed].push_back(make_pair(st, i));
    }
    scanf("%d", &Q);
    while (Q--) {
        scanf("%d %d", &region.first, &region.second);
        memset(Check, 0, 701);
        printf("%d\n", dfsAll());
    }
    return 0;
}

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1224 KB Output is correct
2 Correct 0 ms 1224 KB Output is correct
3 Correct 0 ms 1224 KB Output is correct
4 Correct 0 ms 1224 KB Output is correct
5 Correct 0 ms 1224 KB Output is correct
6 Correct 0 ms 1224 KB Output is correct
7 Correct 0 ms 1224 KB Output is correct
8 Correct 0 ms 1224 KB Output is correct
9 Correct 0 ms 1224 KB Output is correct
10 Correct 0 ms 1224 KB Output is correct
11 Correct 0 ms 1224 KB Output is correct
12 Correct 0 ms 1224 KB Output is correct
13 Correct 0 ms 1224 KB Output is correct
14 Correct 0 ms 1224 KB Output is correct
15 Correct 0 ms 1224 KB Output is correct
16 Correct 0 ms 1224 KB Output is correct
17 Correct 0 ms 1224 KB Output is correct
18 Correct 0 ms 1224 KB Output is correct
19 Correct 0 ms 1224 KB Output is correct
20 Correct 0 ms 1224 KB Output is correct
21 Correct 0 ms 1224 KB Output is correct
22 Correct 0 ms 1224 KB Output is correct

Subtask #2
0.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 216 ms 1488 KB Output is correct
2 Correct 208 ms 1488 KB Output is correct
3 Correct 236 ms 1620 KB Output is correct
4 Correct 596 ms 2280 KB Output is correct
5 Correct 572 ms 2148 KB Output is correct
6 Execution timed out 2500 ms 2280 KB Program timed out
7 Halted 0 ms 0 KB -

Subtask #3
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2500 ms 2676 KB Program timed out
2 Halted 0 ms 0 KB -