제출 #42156

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
421562018-02-23 05:14:56festSnake Escaping (JOI18_snake_escaping)C++14
75 / 100
2044 ms65536 KiB
// fest
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define y1 dasdasfasfas
#define x1 wqdadfasfasfas
#define All(c) c.begin(), c.end()
#define SZ(A) (int((A).size()))
#define umap unordered_map
#define FILENAME ""
#define __ fflush(stdout)
typedef long long ll;
typedef long double ld;
using namespace std;
void FREOPEN() {
#ifdef COMP
freopen(".in", "r", stdin);
freopen("1.out", "w", stdout);
#else
freopen(FILENAME".in", "r", stdin);
freopen(FILENAME".out", "w", stdout);
#endif
}
inline double Time() {return (clock() * 1.0) / CLOCKS_PER_SEC; }
 
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컴파일 시 표준 에러 (stderr) 메시지

snake_escaping.cpp: In function 'void FREOPEN()':
snake_escaping.cpp:25:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(FILENAME".in", "r", stdin);
                                     ^
snake_escaping.cpp:26:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(FILENAME".out", "w", stdout);
                                       ^
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:91:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("\n");
             ^
snake_escaping.cpp:94:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%c", &x);
                  ^
snake_escaping.cpp:102:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("\n");
              ^
snake_escaping.cpp:106:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%c", &x);
                   ^
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