제출 #1093003

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1093003		kem	Infinite Race (EGOI24_infiniterace2)	C++14	100 / 100	19 ms	2652 KiB

Main

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

#define NAME "name"

#define ll long long
#define pb push_back
#define pii pair<int, int>
#define fi first
#define se second
#define endl "\n"

#define sz(v) (int)(v).size()
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()

const int LIM = 2e5 + 3;
const int INF = 1e9;
const int mod = 1e9 + 7;

int n, q;
int cnt[LIM], maxes = 0;

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    if (ifstream(NAME ".inp"))
    {
        freopen(NAME ".inp", "r", stdin);
        freopen(NAME ".out", "w", stdout);
    }

    cin >> n >> q;
    memset(cnt, -1, sizeof(cnt));
    for (int i = 1; i <= q; i++)
    {
        int x;
        cin >> x;
        if (x > 0)
            maxes = max(maxes, cnt[x] = (max(cnt[x] + 1, maxes)));
        else
            cnt[-x]--;
    }
    cout << maxes;

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen(NAME ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen(NAME ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 29 / 29
• Subtask 2: 34 / 34
• Subtask 3: 22 / 22
• Subtask 4: 15 / 15