Submission #1152505

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1152505	2025-02-18 07:22:39	mingga	Building 4 (JOI20_building4)	C++20	100 / 100	167 ms	49516 KiB

building4

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#include "bits/stdc++.h"
using namespace std;
#define ln "\n"
#define pb push_back
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int)(x).size())
#define int long long
const int mod = 1e9 + 7;
const int inf = 2e18;
const int N = 1e6 + 7;
int n, a[N][2];
int mn[N][2], mx[N][2];
signed main() {
    cin.tie(0) -> sync_with_stdio(0);
    #define task ""
    if(fopen(task ".INP", "r")) {
        freopen(task ".INP", "r", stdin);
        freopen(task ".OUT", "w", stdout);
    }
    cin >> n;
    for(int i = 1; i <= 2 * n; i++) cin >> a[i][0];
    for(int i = 1; i <= 2 * n; i++) cin >> a[i][1];
    for(int i = 1; i <= 2 * n; i++) {
        mx[i][0] = mx[i][1] = -inf;
        mn[i][0] = mn[i][1] = inf;
 
 
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Compilation message (stderr)

building4.cpp: In function 'int main()':
building4.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(task ".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
building4.cpp:23:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |         freopen(task ".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 89 / 89