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Submission #260980

# Submission time Handle Problem Language Result Execution time Memory
260980 2020-08-11T09:02:32 Z wiwiho Duathlon (APIO18_duathlon) C++14
0 / 100
 1000 ms 13692 KB 
#include <bits/stdc++.h>

#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define printv(a, b) {bool pvs = false; \
for(auto i : a){ \
    if(pvs) b << ' '; \
    b << i; pvs = true; \
} \
b << '\n';}

using namespace std;

typedef long long ll;

const ll MAX = 2147483647;

vector<vector<int>> g;

vector<bool> tmp;
vector<bool> vst;

bool dfs(int now, int d){
    vst[now] = true;
    bool t = false;
    for(int i : g[now]){
        if(vst[i]) continue;
        if(dfs(i, d)){
            tmp[now] = true;
            t = true;
        }
    }
    vst[now] = false;
    return t || now == d;
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;

    g.resize(n + 1);
    vst.resize(n + 1);

    for(int i = 0; i < m; i++){
        int u, v;
        cin >> u >> v;
        g[u].eb(v);
        g[v].eb(u);
    }
    tmp.resize(n + 1);

    ll ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = i + 1; j <= n; j++){
            fill(tmp.begin(), tmp.end(), false);
            dfs(i, j);
            for(int k = 1; k <= n; k++){
                if(k != i && k != j) ans += tmp[k];
            }
        }
    }
    cout << ans * 2 << "\n";

    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 38 ms 384 KB Output is correct
10 Execution timed out 1088 ms 256 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 38 ms 384 KB Output is correct
10 Execution timed out 1088 ms 256 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1060 ms 13692 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1074 ms 384 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1095 ms 6008 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1076 ms 384 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1096 ms 5968 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 38 ms 384 KB Output is correct
10 Execution timed out 1088 ms 256 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 38 ms 384 KB Output is correct
10 Execution timed out 1088 ms 256 KB Time limit exceeded
11 Halted 0 ms 0 KB -