제출 #863905

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
863905		hariaakas646	Mađioničar (COI22_madionicar)	C++17	0 / 100	1138 ms	412 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;


void usaco()
{
    freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
//    freopen("problem.out", "w", stdout);
}

int main() {
    int n;
    cin >> n;

    int ma = 1;
    forr(i, 1, n+1) {
        forr(j, i+1, n+1) {
            cout << "? " << i << " " << j << "\n";
            cout.flush();
            int v;
            cin >> v;
            if(v) ma = max(ma, j - i+1);
        }
    }
    cout << "! " << ma << "\n";
    cout.flush();
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void usaco()':
Main.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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