Submission #22417

#	Time	Username	Problem	Language	Result	Execution time	Memory
22417		크리콘 B번 문제는 그리디로 풀려요 (#40)	Young Zebra (KRIII5_YZ)	C++98	2 / 7	46 ms	13552 KiB

YZ

#include<stdio.h>

int N, M;
char ba[555][555]; int dap[555][555];
int chk1[555][555]/*, chk2[1010][1010]*/;

int cnt, xx[4]={0,0,1,-1}, yy[4]={1,-1,0,0};
void dfs1(int x, int y, char gr, int ty, int val){
	if(chk1[x][y] != ty || ba[x][y] != gr) return;
	chk1[x][y]++; cnt++;
	if(val) dap[x][y]=val;
	for(int i=0; i<4; i++)dfs1((x+N+xx[i])%N, (y+M+yy[i])%M, gr, ty, val);
}
/*
int err, col;
void dfs2(int x, int y, char gr){
	if(x<0 || y<0 || x>=2*N || y>=2*M){
		x=(x+2*N)%(2*N), y=(y+2*M)%(2*M);
		if(chk2[x][y] == col) err=1;
		return;
	}
	if(chk2[x][y] != 0 || ba[x%N][y%M] != gr) return;
	chk2[x][y]=col;
	for(int i=0; i<4; i++)dfs2(x+xx[i], y+yy[i], gr);
}*/

int main(){
	scanf("%d%d\n", &N, &M);
	for(int i=0; i<N; i++)gets(ba[i]);
	for(int i=0; i<N; i++){
		for(int j=0; j<M; j++){
			if(chk1[i][j])continue;
			cnt=0, dfs1(i, j, ba[i][j], 0, 0);
			dfs1(i, j, ba[i][j], 1, cnt);
		}
	}
/*	for(int i=0; i<2*N; i++){
		for(int j=0; j<2*M; j++){
			if(chk2[i][j])continue;
			col++, err=0, dfs2(i, j, ba[i][j]);
			if(err)dfs1(i%N, j%M, ba[i][j], 2, -1);
		}
	}*/
	for(int i=0; i<N; i++){
		for(int j=0; j<M; j++)printf("%d ", dap[i][j]);
		puts("");
	}
	return 0;
}

Compilation message (stderr)

YZ.cpp: In function 'int main()':
YZ.cpp:29:24: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  for(int i=0; i<N; i++)gets(ba[i]);
                        ^
In file included from YZ.cpp:1:0:
/usr/include/stdio.h:638:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^
YZ.cpp:29:24: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  for(int i=0; i<N; i++)gets(ba[i]);
                        ^
In file included from YZ.cpp:1:0:
/usr/include/stdio.h:638:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^
YZ.cpp:29:34: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  for(int i=0; i<N; i++)gets(ba[i]);
                                  ^
In file included from YZ.cpp:1:0:
/usr/include/stdio.h:638:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^
YZ.cpp:28:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d\n", &N, &M);
                         ^
YZ.cpp:29:35: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<N; i++)gets(ba[i]);
                                   ^
/tmp/ccZkGT9s.o: In function `main':
YZ.cpp:(.text.startup+0x4e): warning: the `gets' function is dangerous and should not be used.

• Subtask 1: 2 / 7