oj.uz

Submission #776623

# Submission time Handle Problem Language Result Execution time Memory
776623 2023-07-08T06:05:25 Z vjudge1 Sajam (COCI18_sajam) C++17
45 / 90
 4752 ms 5460 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5+37;
vector<int> s(N), v(N);
vector<array<int, 2>> adj[N];
 
		
void f(){
	freopen("in.txt", "r", stdin);
	freopen("out.txt", "w", stdout);
}

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
 
//	f();
 	
 	int n, k; cin >> n >> k;

 	vector<string> s(n), t;
 	vector<int> val(n), val2(n);


 	for(auto &i: s) cin >> i;

 	for(int i=0; i<n; i++){
 		for(int l=0; l<n; l++){
 			val[i]+=((s[i][l]=='x')?1:0);
 			 val2[l]+=((s[i][l]=='x')?1:0);

 		}

 	}

 	int flag=0;

	for(int i=0; i<n; i++){
		vector<int> tf=val;

		for(int l=0; l<n; l++){
			if(s[i][l]=='x'){
				for(int j=0; j<n; j++){
					if(s[j][l]=='x'){
						val[j]--;
					}
					else val[j]++;
				}
			}
		}

		int ans=0;
		for(int l=0; l<n; l++){
			ans+=min(val[l], n-val[l]);
		}
		if(ans<=k) flag=1;
		val=tf;
	}
	
	for(int i=0; i<n; i++){
		vector<int> tf=val2;

		for(int l=0; l<n; l++){
			if(s[l][i]=='x'){
				for(int j=0; j<n; j++){
					if(s[l][j]=='x'){
						val2[j]--;
					}
					else val2[j]++;
				}
			}
		}

		int ans=0;
		for(int l=0; l<n; l++){
			ans+=min(val2[l], n-val2[l]);
		}
		if(ans<=k) flag=1;
		val2=tf;
	}

	if(flag) cout<<"DA";
	else cout<<"NE";

}

Compilation message

sajam.cpp: In function 'void f()':
sajam.cpp:9:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  freopen("in.txt", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
sajam.cpp:10:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  freopen("out.txt", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 87 ms 3796 KB Output is correct
3 Correct 151 ms 3924 KB Output is correct
4 Correct 852 ms 5164 KB Output is correct
5 Correct 166 ms 4032 KB Output is correct
6 Correct 40 ms 3676 KB Output is correct
7 Correct 550 ms 3972 KB Output is correct
8 Correct 3941 ms 5232 KB Output is correct
9 Correct 56 ms 3540 KB Output is correct
10 Correct 4066 ms 5284 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3404 KB Output is correct
3 Incorrect 4 ms 3412 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 529 ms 4628 KB Output is correct
2 Correct 744 ms 4892 KB Output is correct
3 Correct 384 ms 4408 KB Output is correct
4 Correct 306 ms 4308 KB Output is correct
5 Correct 874 ms 5144 KB Output is correct
6 Correct 193 ms 4056 KB Output is correct
7 Correct 465 ms 4584 KB Output is correct
8 Correct 535 ms 4700 KB Output is correct
9 Correct 309 ms 3792 KB Output is correct
10 Correct 4752 ms 5420 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 791 ms 5012 KB Output is correct
2 Correct 738 ms 4980 KB Output is correct
3 Correct 318 ms 4308 KB Output is correct
4 Correct 457 ms 4572 KB Output is correct
5 Correct 517 ms 4632 KB Output is correct
6 Correct 1089 ms 5360 KB Output is correct
7 Correct 123 ms 3924 KB Output is correct
8 Correct 433 ms 4536 KB Output is correct
9 Correct 2102 ms 4640 KB Output is correct
10 Correct 4734 ms 5424 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 344 ms 4336 KB Output is correct
2 Correct 349 ms 4352 KB Output is correct
3 Incorrect 1236 ms 5408 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1265 ms 5460 KB Output is correct
2 Correct 1205 ms 5372 KB Output is correct
3 Incorrect 1041 ms 5252 KB Output isn't correct
4 Halted 0 ms 0 KB -