Submission #82363

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
82363	2018-10-30 09:49:46	FutymyClone	007 (CEOI14_007)	C++14	0 / 100	413 ms	87572 KiB

007

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#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int n, m, s, d, a, b, dist[2][N];
vector <int> g[N];
queue <int> q;
void bfs (int type){
    if (!type) memset(dist, 0x3f, sizeof(dist));
    dist[type][(type == 0) ? d : s] = 0;
    q.push((type == 0) ? d : s);
    while (!q.empty()) {
        int u = q.front(); q.pop();
        for (auto v: g[u]) {
            if (type == 0 && v == s) continue;
            if (dist[type][v] > dist[type][u] + 1) {
                dist[type][v] = dist[type][u] + 1;
                q.push(v);
            }
        }
    }
}
int main(){
    #ifdef Futymy
        freopen("SPY.inp", "r", stdin);
        freopen("SPY.out", "w", stdout);
 
 
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Compilation message (stderr)

007.cpp: In function 'int main()':
007.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
007.cpp:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d %d", &s, &d, &a, &b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
007.cpp:36:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &u, &v);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70