Submission #1150479

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1150479	2025-02-15 04:12:57	nguyn	Art Exhibition (JOI18_art)	C++20	100 / 100	112 ms	12176 KiB

art

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#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 = 5e5 + 5;
int n; 
pii a[N]; 
int p[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; 
    }
    sort(a + 1, a + 1 + n); 
    for (int i = 1; i <= n; i++) {
      p[i] = p[i - 1] + a[i].S; 
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

art.cpp: In function 'int main()':
art.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("INP.INP" ,"r" , stdin) ;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen("OUT.OUT" , "w" , stdout) ;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50