Submission #320680

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
320680	2020-11-09 13:53:53	phathnv	One-Way Streets (CEOI17_oneway)	C++11	100 / 100	126 ms	23780 KiB

oneway

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#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define mp make_pair
typedef long long ll;
typedef pair <int, int> ii;
const int N = 1e5 + 1;
const int logN = 17;
struct edge{
    int u, v;
    edge(int _u = 0, int _v = 0){
        u = _u;
        v = _v;
    }
};
struct dsu{
    int root[N], rnk[N];
    void reset(int n){
        for(int i = 1; i <= n; i++){
            root[i] = i;
            rnk[i] = 0;
        }
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

oneway.cpp: In function 'void readInput()':
oneway.cpp:62:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   62 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
oneway.cpp:64:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   64 |         scanf("%d %d", &e[i].u, &e[i].v);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp: In function 'void solve()':
oneway.cpp:164:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  164 |     scanf("%d", &p);
      |     ~~~~~^~~~~~~~~~
oneway.cpp:167:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  167 |         scanf("%d %d", &u, &v);
      |         ~~~~~^~~~~~~~~~~~~~~~~

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