Submission #1011066

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1011066	2024-06-29 18:19:26	voi	One-Way Streets (CEOI17_oneway)	C++17	0 / 100	3 ms	21224 KiB

oneway

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#include <bits/stdc++.h>
#define all(s) s.begin(), s.end()
#define lb(s, a) lower_bound(all(s), (a)) - s.begin()
#define ii pair <int, int>
#define fi first
#define se second
using namespace std;
typedef long long ll;
const int ar = 2e5+2;
const ll mod = 1e9+7;
const int oo = 1e9;
int n, m;
int timeDfs = 0, scc = 0;
int low[ar], num[ar];
int id[ar];
bool vs[ar];
int tplt[ar];
struct set3 {
    int v, i, t;
    bool operator < (set3 a) {
        return v < a.v;
    }
    bool operator == (set3 a) {
        return v == a.v;
    }
};
 
 
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:127:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<set3>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  127 |         for(int j = 0; j < g[i].size();) {
      |                        ~~^~~~~~~~~~~~~
oneway.cpp:129:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<set3>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  129 |             while(k < g[i].size() && g[i][j].v == g[i][k].v)
      |                   ~~^~~~~~~~~~~~~
oneway.cpp:113:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  113 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp:114:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  114 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40