제출 #68309

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
683092018-08-16 15:23:38realityPort Facility (JOI17_port_facility)C++17
100 / 100
2785 ms585136 KiB
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define vii vector < pii >
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class P , class Q > ostream& operator<<(ostream& stream, pair < P , Q > v){ stream << "(" << v.fi << ',' << v.se << ")"; return stream;}
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
const int N = 2e6 + 5;
const int mod = 1e9 + 7;
int n;
int color[N];
vi g[N];
int f[N];
int get(int k) {
return f[k] == k ? k : f[k] = get(f[k]);
}
int main(void) {
ios_base::sync_with_stdio(0);
cin>>n;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

port_facility.cpp: In function 'int main()':
port_facility.cpp:67:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0;i < ss.size();i += 2)
                    ~~^~~~~~~~~~~
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