제출 #672975

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
672975		Cutebol	거래 (IZhO13_trading)	C++17	100 / 100	426 ms	35192 KiB

trading

#include <bits/stdc++.h>
 
using namespace std;
 
void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define Scaramouche ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0);
#define int long long
#define itn int
#define endl "\n"
#define ff first
#define ss second
   
const int N = 3e5 + 5 ;
const int mod = 1e9 + 7 ;
const int inf = 1e12 ;

int n , m ;
vector <int> ans ;
vector <pair <int , int > > vec[N] ;

void solve(){
	
	cin >> n >> m ;
	for ( int i = 0 ; i < m ; i ++ ){
		int x , y , v ;
		cin >> x >> y >> v ;
		vec[x].push_back({v-x,0}) ;
		vec[y+1].push_back({v-x,1}) ;
	}
	multiset <int> st ;
	for ( int i = 1 ; i <= n ; i ++ ){
		for ( auto j : vec[i] ){
			if ( !j.ss ) st.insert(j.ff) ;
			else st.erase(st.find(j.ff)) ;
		}
		if ( st.empty() ) ans.push_back(0) ;
		else ans.push_back(*st.rbegin()+i) ;
	}
	for ( auto i : ans ) cout << i << ' ' ;
}
 
signed main(){
//  fopn("blocks") ;
//    Scaramouche ;
    int t = 1 ;
//      cin >> t ;
    while ( t -- ) solve() ; 
}

컴파일 시 표준 에러 (stderr) 메시지

trading.cpp: In function 'void fopn(std::string)':
trading.cpp:5:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
trading.cpp:5:72: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100