oj.uz

Submission #28307

# Submission time Handle Problem Language Result Execution time Memory
28307 2017-07-16T04:35:26 Z tlwpdus 팬클럽 회장(#1123, kdh9949) Play Onwards (FXCUP2_onward) C++14
1 / 1
 99 ms 2028 KB 
#include <bits/stdc++.h>
using namespace std;

int n, k, p[401], c[401];
char str[201][22];

int fnd(int x){ return p[x] = (p[x] == x ? x : fnd(p[x])); }
void uni(int x, int y){ p[fnd(x)] = fnd(y); }

int f(int x, int y){
	int ret = 0;
	for(int i = 0; str[x][i]; i++){
		for(int j = 0; str[y][j]; j++){
			int t;
			for(t = 0; str[x][i + t] && str[y][j + t]; t++) if(str[x][i + t] != str[y][j + t]) break;
			ret = max(ret, t);
		}
	}
	return ret;
}

int main(){
	scanf("%d%d", &n, &k);
	iota(p + 1, p + 2 * n + 1, 1);
	for(int i = 1; i <= n; i++){
		scanf("%s", str[i]);
		for(int j = 1; j < i; j++){
			if(f(i, j) >= k){
				uni(i + n, j);
				uni(i, j + n);
			}
		}
	}
	for(int i = 1; i <= n; i++){
		if(fnd(i) == fnd(i + n)){
			puts("No");
			return 0;
		}
	}
	puts("Yes");
	for(int i = 1; i <= n; i++){
		if(c[fnd(i)]){
			printf("%d\n", c[fnd(i)]);
			c[fnd(i + n)] = 3 - c[fnd(i)];
		}
		else if(c[fnd(i + n)]){
			printf("%d\n", 3 - c[fnd(i + n)]);
			c[fnd(i)] = 3 - c[fnd(i + n)];
		}
		else{
			c[fnd(i)] = 1 + (i == n);
			c[fnd(i + n)] = 2 - (i == n);
			printf("%d\n", c[fnd(i)]);
		}
	}
}

Compilation message

onward.cpp: In function 'int main()':
onward.cpp:23:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
                       ^
onward.cpp:26:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", str[i]);
                      ^

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2028 KB Output is correct
2 Correct 0 ms 2028 KB Output is correct
3 Correct 0 ms 2028 KB Output is correct
4 Correct 0 ms 2028 KB Output is correct
5 Correct 99 ms 2028 KB Output is correct
6 Correct 6 ms 2028 KB Output is correct
7 Correct 13 ms 2028 KB Output is correct
8 Correct 13 ms 2028 KB Output is correct
9 Correct 13 ms 2028 KB Output is correct
10 Correct 9 ms 2028 KB Output is correct
11 Correct 83 ms 2028 KB Output is correct
12 Correct 26 ms 2028 KB Output is correct
13 Correct 46 ms 2028 KB Output is correct
14 Correct 66 ms 2028 KB Output is correct
15 Correct 0 ms 2028 KB Output is correct
16 Correct 0 ms 2028 KB Output is correct
17 Correct 0 ms 2028 KB Output is correct
18 Correct 19 ms 2028 KB Output is correct
19 Correct 6 ms 2028 KB Output is correct
20 Correct 13 ms 2028 KB Output is correct
21 Correct 13 ms 2028 KB Output is correct