제출 #241672

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
241672	2020-06-25 08:27:22	ChrisT	Dango Maker (JOI18_dango_maker)	C++17	33 / 100	6 ms	560 KiB

dango_maker

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#include <bits/stdc++.h>
using namespace std;
using pii = pair<int,int>;
using pib = pair<int,bool>;
using ll = long long;
using ld = long double;
#define all(x) (x).begin(),(x).end()
#ifdef fread_unlocked
#define fread fread_unlocked
#define fwrite fwrite_unlocked
#endif
#define mp make_pair
#define lc ind<<1
#define rc ind<<1|1
const int MN = 3e3+5, MOD = 1e9+7, BASE = 31, MASK = (1 << 13) - 1;
char grid[MN][MN]; bool canDown[MN][MN], canRight[MN][MN]; int dp[MN][MN][3];
int main () {
  int n,m,ret = 0;
  scanf ("%d %d",&n,&m);
  for (int i = 1; i <= n; i++) {
    scanf ("%s",grid[i]+1);
    for (int j = 1; j <= m-2; j++) if (grid[i][j] == 'R' && grid[i][j+1] == 'G' && grid[i][j+2] == 'W') {
      canRight[i][j+1] = 1;
    }
  }
  for (int j = 1; j <= m; j++) {
    for (int i = 1; i <= n-2; i++) if (grid[i][j] == 'R' && grid[i+1][j] == 'G' && grid[i+2][j] == 'W') {
      canDown[i+1][j] = 1;
    }
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d %d",&n,&m);
  ~~~~~~^~~~~~~~~~~~~~~
dango_maker.cpp:21:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%s",grid[i]+1);
   ~~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 20 / 20
• Subtask 3: 0 / 67