제출 #1238593

#제출 시각아이디문제언어결과실행 시간메모리
1238593JerInfinite Race (EGOI24_infiniterace2)C++20
100 / 100
72 ms10568 KiB
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5 + 5;
int laps[MAXN];

int n, q;

int main()
{
    scanf("%d%d", &n, &q);
    fill(laps, laps + n, 0);

    map<int, int> laps;
    int a, res = 0;
    while (q--)
    {
        scanf("%d", &a);
        if (a > 0)
        {
            if (laps[a] == 1)
                res++, laps.clear();
            laps[a] += 1;
        }
        else
            laps[-a] = 0;
    }

    printf("%d\n", res);

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d%d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         scanf("%d", &a);
      |         ~~~~~^~~~~~~~~~
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