제출 #210493

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
210493	2020-03-17 14:11:11	SamAnd	Snake Escaping (JOI18_snake_escaping)	C++17	22 / 100	653 ms	38520 KiB

snake_escaping

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#include <bits/stdc++.h>
using namespace std;
const int N = 22, Q = 1000006;
int n, qq;
char a[(1 << N)];
bool so(const char a[], const char b[])
{
    for (int i = 1; i <= n; ++i)
    {
        if (a[i] != b[i])
            return a[i] < b[i];
    }
    return false;
}
struct ban
{
    int i;
    char u[N];
};
bool operator<(const ban& a, const ban& b)
{
    return so(a.u, b.u);
}
ban b[Q];
int* t[N];
int ans[Q];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:52:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &qq);
     ~~~~~^~~~~~~~~~~~~~~~~
snake_escaping.cpp:53:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf(" %s", a);
     ~~~~~^~~~~~~~~~
snake_escaping.cpp:59:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %s", (b[i].u + 1));
         ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25