제출 #44635

#제출 시각아이디문제언어결과실행 시간메모리
44635RayaBurong25_1Editor (BOI15_edi)C++17
15 / 100
152 ms40216 KiB
#include <stdio.h>
#include <map>
int Val[300005];
std::map<int, int> Last[300005];
int main()
{
    int N;
    scanf("%d", &N);
    int i, x;
    std::map<int, int>::iterator it;
    for (i = 1; i <= N; i++)
    {
        scanf("%d", &x);
        if (x > 0)
        {
            Val[i] = x;
            Last[i][0] = i - 1;
            printf("%d\n", Val[i]);
        }
        else
        {
            it = Last[i - 1].upper_bound(x);
            Val[i] = Val[it->second];
            Last[i] = Last[it->second];
            Last[i][x] = i - 1;
            printf("%d\n", Val[i]);
        }
    }
}

컴파일 시 표준 에러 (stderr) 메시지

edi.cpp: In function 'int main()':
edi.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
edi.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~
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