Submission #152720

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
152720	2019-09-09 09:36:04	Mercenary	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	297 ms	23260 KiB

oneway

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#include<bits/stdc++.h>
using namespace std;
#define taskname "A"
#define pb  push_back
#define mp  make_pair
#ifndef LOCAL
#define cerr if(0)cout
#endif
typedef long double ld;
typedef long long ll;
typedef pair<int,int> ii;
const int maxn = 1e5 + 5;
int n, m , p;
struct edge{
    int used , u , v , col;
}e[maxn];
vector<int> adj[maxn];
int num[maxn] , low[maxn];
static int nTime = 0 , nGroup = 0;
void DFS(int u){
    low[u] = num[u] = ++nTime;
    for(int c : adj[u]){
        if(e[c].used)continue;
        e[c].used = 1;
 
 
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Compilation message (stderr)

oneway.cpp: In lambda function:
oneway.cpp:148:21: warning: unused variable 'pre' [-Wunused-variable]
                 int pre = e[c].col;
                     ^~~
oneway.cpp: In function 'int main()':
oneway.cpp:65:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(taskname".INP", "r",stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp:66:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(taskname".OUT", "w",stdout);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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