Submission #405683

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
405683	2021-05-16 17:38:55	Hazem	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	559 ms	58520 KiB

oneway

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#include <bits/stdc++.h>
using namespace std;
 
#define LL long long
#define F first
#define S second
#define pii pair<int,int>
#define piii pair<pair<int,int>,int>
const int N = 3e5+10;
const int M = 3e2+10;
const LL INF = 1e9;
const LL LINF = 2e18;
const LL MOD = 1e9+7;   
const double PI = 3.141592653589793;
map<pair<int,int>,char>mp;
map<pii,int>mp2;
vector<int>adj[N],adj2[N];
vector<pii>edges;
int val[N],vis[N],dp[N];
void dfs(int i,int pre){
    for(auto x:adj[i]){
        if(vis[x]){
            if(x!=pre)   
                mp[{i,x}] = mp[{x,i}] = 'B';
 
 
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:86:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
oneway.cpp:91:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |         scanf("%d%d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~
oneway.cpp:105:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  105 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
oneway.cpp:109:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  109 |         scanf("%d%d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40