Submission #74353

#	Time	Username	Problem	Language	Result	Execution time	Memory
74353		khsoo01	Play Onwards (FXCUP2_onward)	C++11	1 / 1	11 ms	968 KiB

onward

#include<bits/stdc++.h>
using namespace std;
int n, k, l[205], vis[205], c[3];
char a[205][25];
 
vector<int> adj[205];
 
void solve (int I, int C) {
	if(vis[I]) return;
	vis[I] = C; c[C]++;
	for(auto &T : adj[I]) solve(T, ((C-1)^1)+1);
}
 
int main()
{
	scanf("%d%d",&n,&k);
	for(int i=1;i<=n;i++) {
		scanf("%s",a[i]+1);
		l[i] = strlen(a[i]+1);
	}
	for(int i=1;i<=n;i++) for(int j=i+1;j<=n;j++) {
		if(l[i] < k || l[j] < k) continue;
		bool flag = 0;
		for(int A=1;A+k-1<=l[i];A++) {
			for(int B=1;B+k-1<=l[j];B++) {
				bool s = 0;
				for(int C=0;C<k;C++) {
					if(a[i][A+C] != a[j][B+C]) {s = true; break;}
				}
				if(!s) {flag = true; break;}
			}
			if(flag) break;
		}
		if(flag) {
			adj[i].push_back(j);
			adj[j].push_back(i);
		}
	}
	for(int i=1;i<=n;i++) solve(i, 1);
	for(int i=1;i<=n;i++) {
		for(auto &T : adj[i]) if(vis[i] == vis[T]) {puts("No"); return 0;}
	}
	puts("Yes");
	printf("%d\n",1+(c[1]==n));
	for(int i=2;i<=n;i++) printf("%d\n",vis[i]);
}

Compilation message (stderr)

onward.cpp: In function 'int main()':
onward.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~
onward.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",a[i]+1);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 1 / 1