oj.uz

Submission #776680

# Submission time Handle Problem Language Result Execution time Memory
776680 2023-07-08T07:00:57 Z vjudge1 Sajam (COCI18_sajam) C++17
15 / 90
 5000 ms 2304 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5+37;

		
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;
	}
	
	k--;

	for(int i=0; i<n; i++){
		vector<int> tf=val;
		if(s[0][i]=='x') val[0]--;
		else val[0]++;
		s[0][i]=(s[0][i]=='x'?'o':'x');

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

	}


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

}

Compilation message

sajam.cpp: In function 'void f()':
sajam.cpp:7:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  freopen("in.txt", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
sajam.cpp:8:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  freopen("out.txt", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 96 ms 500 KB Output is correct
3 Correct 173 ms 596 KB Output is correct
4 Correct 977 ms 1212 KB Output is correct
5 Correct 178 ms 612 KB Output is correct
6 Correct 42 ms 340 KB Output is correct
7 Correct 571 ms 596 KB Output is correct
8 Correct 4427 ms 1252 KB Output is correct
9 Correct 59 ms 364 KB Output is correct
10 Correct 4488 ms 1276 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 551 ms 928 KB Output is correct
2 Correct 741 ms 1064 KB Output is correct
3 Correct 408 ms 816 KB Output is correct
4 Correct 328 ms 748 KB Output is correct
5 Correct 1030 ms 1192 KB Output is correct
6 Correct 198 ms 596 KB Output is correct
7 Correct 518 ms 1444 KB Output is correct
8 Correct 597 ms 1552 KB Output is correct
9 Correct 364 ms 604 KB Output is correct
10 Execution timed out 5050 ms 2304 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 879 ms 1108 KB Output is correct
2 Correct 850 ms 1120 KB Output is correct
3 Correct 358 ms 768 KB Output is correct
4 Correct 504 ms 896 KB Output is correct
5 Correct 578 ms 852 KB Output is correct
6 Correct 1221 ms 1236 KB Output is correct
7 Correct 128 ms 776 KB Output is correct
8 Correct 464 ms 1340 KB Output is correct
9 Correct 2361 ms 1492 KB Output is correct
10 Execution timed out 5040 ms 2260 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 391 ms 768 KB Output is correct
2 Correct 382 ms 780 KB Output is correct
3 Incorrect 1428 ms 1364 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1443 ms 1392 KB Output is correct
2 Correct 1382 ms 1328 KB Output is correct
3 Incorrect 1169 ms 1252 KB Output isn't correct
4 Halted 0 ms 0 KB -