제출 #1165729

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1165729		nguyn	Intercastellar (JOI22_ho_t1)	C++20	100 / 100	42 ms	5444 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ll long long 
#define F first
#define S second
#define pb push_back 
#define pii pair<int,int>

const int N = 2e5 + 5;

int n, q;
pii a[N]; 

signed main(){
    ios_base::sync_with_stdio(false) ; 
    cin.tie(0) ; cout.tie(0) ; 
    if (fopen("INP.INP" ,"r")) {
        freopen("INP.INP" ,"r" , stdin) ;
        freopen("OUT.OUT" , "w" , stdout) ;
    }
    cin >> n;
    for (int i = 1; i <= n; i++) {
    	cin >> a[i].F;
    	a[i].S = 1; 
    	while(a[i].F % 2 == 0) {
    		a[i].F /= 2;
    		a[i].S *= 2; 
    	} 
    }
   	cin >> q;
	int i = 0; 
	int cur = 0; 
   	while(q--) {
   		int x; 
   		cin >> x; 
   		while(cur < x) {
   			i++; 
   			cur += a[i].S; 
   		}
   		cout << a[i].F << '\n';
   	}

}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen("INP.INP" ,"r" , stdin) ;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen("OUT.OUT" , "w" , stdout) ;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40