Submission #96591

#	Time	Username	Problem	Language	Result	Execution time	Memory
96591		psmao	Ispit (COCI19_ispit)	C++14	0 / 90	31 ms	27388 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define fo(i,s,t) for(int i = s; i <= t; ++ i)
#define fd(i,s,t) for(int i = s; i >= t; -- i)
#define bf(i,s) for(int i = head[s]; i; i = e[i].next)
#define mp make_pair
#define fi first
#define se second
#define pii pair<int,int>
#define pb push_back
#define VI vector<int>
#define sf scanf
#define pf printf
#define fp freopen
#define SZ(x) ((int)(x).size())
#ifdef MPS
#define D(x...) printf(x)
#else
#define D(x...)
#endif
typedef long long ll;
typedef double db;
typedef unsigned long long ull;
const int inf = 1<<30;
const ll INF = 1ll<<60;
const db Inf = 1e20;
const db eps = 1e-9;

void gmax(int &a,int b){a = (a > b ? a : b);}
void gmin(int &a,int b){a = (a < b ? a : b);}

const int maxn = 505;

int n, k, cnt[maxn][maxn][27];
char a[maxn][maxn];

int main()
{
	#ifdef MPS	
		fp("1.in","r",stdin);
		fp("1.out","w",stdout);
	#endif
	sf("%d%d",&n,&k);
	fo(i,1,n) sf("%s",a[i]+1);
	fo(i,1,n)
	{
		fo(j,1,n) cnt[i][j][a[i][j]-'a'+1] = 1;
		fo(j,1,n) fo(k,1,26) cnt[i][j][k] += cnt[i][j-1][k];
	}
	fo(l,1,n-k+1)
	{
		int r = l + k - 1;
		fo(a,1,n) fo(b,a+1,n) 
		{
			fo(k,1,26) if(cnt[a][r][k] - cnt[a][l-1][k] != cnt[b][r][k] - cnt[b][l-1][k]) goto gg;
			return 0 * pf("DA\n");
			gg:;
		}
	}
	pf("NE\n");
	return 0;
}

Compilation message (stderr)

ispit.cpp: In function 'int main()':
ispit.cpp:44:4: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  sf("%d%d",&n,&k);
    ^
ispit.cpp:45:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fo(i,1,n) sf("%s",a[i]+1);
              ^

• Subtask 1: 0 / 9
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 9
• Subtask 8: 0 / 9
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9