oj.uz

답안 #22951

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
22951 2017-04-30T17:01:12 Z Bruteforceman Bosses (BOI16_bosses) C++11
0 / 100
 0 ms 2176 KB 
#include <bits/stdc++.h>
using namespace std;
vector <int> g[5555];
bool vis[5555];
int sub[5555];
int n;

void dfs(int x) {
    vis[x] = true;
    sub[x] = 1;
    for(auto i : g[x]) {
        if(vis[i] == true) continue;
        dfs(i);
        sub[x] += sub[i];
    }
}

int func(int root) {
    for(int i = 1; i <= n; i++) {
        vis[i] = false;
    }
    dfs(root);
    int ans = 0;
    for(int i = 1; i <= n; i++) {
        ans += sub[i];
        if(vis[i] == false) return INT_MAX;
    }
    return ans;
}

int main() {
    scanf("%d", &n);
    for(int i = 1; i <= n; i++) {
        int deg;
        scanf("%d", &deg);
        for(int j = 1; j <= deg; j++) {
            int x;
            scanf("%d", &x);
            g[x].push_back(i);
        }
    }
    int ans = INT_MAX;
    for(int i = 1; i <= n; i++) {
        ans = min(ans, func(i));
    }
    printf("%d\n", ans);
    return 0;
}

Compilation message

bosses.cpp: In function 'int main()':
bosses.cpp:32:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
bosses.cpp:35:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &deg);
                          ^
bosses.cpp:38:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &x);
                            ^

Subtask #1
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2176 KB Output is correct
2 Incorrect 0 ms 2176 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2176 KB Output is correct
2 Incorrect 0 ms 2176 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2176 KB Output is correct
2 Incorrect 0 ms 2176 KB Output isn't correct
3 Halted 0 ms 0 KB -