Submission #58244

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
58244	2018-07-17 08:53:02	evpipis	007 (CEOI14_007)	C++14	0 / 100	915 ms	16584 KiB

007

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair<int, int> ii;
const int len = 2e5+5, inf = 1e9;
int dis[len], tim[len];
int n, m, s1, s2, t1, t2;
queue<int> myq;
vector<int> adj[len];
bool check(int x){
    for (int i = 1; i <= n; i++)
        dis[i] = inf;
    if (0 < tim[s2]+x)
        dis[s2] = 0, myq.push(s2);
    while (!myq.empty()){
        int u = myq.front();
        myq.pop();
        for (int j = 0; j < adj[u].size(); j++){
            int v = adj[u][j];
            if (dis[v] == inf && dis[u]+1 != tim[v]+x)
                dis[v] = dis[u]+1, myq.push(v);
 
 
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Compilation message (stderr)

007.cpp: In function 'bool check(int)':
007.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < adj[u].size(); j++){
                         ~~^~~~~~~~~~~~~~~
007.cpp: In function 'int main()':
007.cpp:71:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < adj[u].size(); j++){
                         ~~^~~~~~~~~~~~~~~
007.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d %d %d %d", &n, &m, &s1, &s2, &t1, &t2);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
007.cpp:58:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~

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