Submission #28775

#	Time	Username	Problem	Language	Result	Execution time	Memory
28775		kriii	Play Onwards (FXCUP2_onward)	C++14	1 / 1	9 ms	1980 KiB

onward

#include <stdio.h>
#include <queue>
using namespace std;
 
int N,K,C[202];
char S[202][22]; bool g[202][202];
 
int main()
{
	scanf ("%d %d",&N,&K);
	for (int i=0;i<N;i++) scanf ("%s",S[i]);
	for (int i=0;i<N;i++) for (int j=i+1;j<N;j++){
		bool d = 0;
		for (int p=K-1;S[i][p];p++) for (int q=K-1;S[j][q];q++){
			bool n = 1;
			for (int r=0;r<K;r++) if (S[i][p-r] != S[j][q-r]){n = 0; break;}
			if (n) d = 1;
		}
		g[i][j] = g[j][i] = d;
	}
 
	int u = 0;
	for (int i=0;i<N;i++) if (C[i] == 0){
		queue<int> Q; Q.push(i); C[i] = u+1; u = !u;
		while (!Q.empty()){
			int x = Q.front(); Q.pop();
			for (int y=0;y<N;y++) if (g[x][y]){
				if (C[y] == 0){
					Q.push(y); C[y] = 3 - C[x];
				}
				if (C[x] + C[y] != 3){
					puts("No");
					return 0;
				}
			}
		}
	}
	puts("Yes");
	for (int i=0;i<N;i++) printf ("%d\n",C[i]);
 
	return 0;
}

Compilation message (stderr)

onward.cpp: In function 'int main()':
onward.cpp:10:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d %d",&N,&K);
                       ^
onward.cpp:11:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i=0;i<N;i++) scanf ("%s",S[i]);
                                         ^

• Subtask 1: 1 / 1