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Submission #670507

# Submission time Handle Problem Language Result Execution time Memory
670507 2022-12-09T11:12:12 Z GudStonks Red-blue table (IZhO19_stones) C++17
100 / 100
 31 ms 2252 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long

char arr[1005][1005];

void fun(){
	bool boo = 0;
	ll n, m;
	cin>>n>>m;
	
	if(n > m)swap(n, m), boo = 1;
	
	for(int i = 1; i <= n; i++)
		for(int j = 1; j <= m; j++)
			arr[i][j] = (boo ? '+' : '-');
	
	cout<<max(n, m) + min(min(n, m), (min(n, m) / 2 - !(min(n, m) & 1)) * max(n, m) / (max(n, m) / 2 + 1))<<endl;
	
	for(int i = 1, last = 1; i <= min(min(n, m), (min(n, m) / 2 - !(min(n, m) & 1)) * max(n, m) / (max(n, m) / 2 + 1)); i++){
		for(int j = 1; j <= m / 2 + 1; j++, last++){
			if(last == m + 1)last = 1;
			arr[i][last] = (boo ? '-' : '+');
		}
	}
	
	if(!boo){
		for(int i = 1; i <= n; i++){
			for(int j = 1; j <= m; j++)
				cout<<arr[i][j];
			cout<<"\n";
		}
	}
	else{
		for(int i = 1; i <= m; i++){
			for(int j = 1; j <= n; j++)
				cout<<arr[j][i];
			cout<<"\n";
		}
	}
	cout<<"\n";
}

int main(){
	int ttt = 1;
	cin>>ttt;
	while(ttt--)fun();
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 288 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 1324 KB Output is correct
2 Correct 27 ms 1856 KB Output is correct
3 Correct 27 ms 1820 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 1396 KB Output is correct
2 Correct 24 ms 1732 KB Output is correct
3 Correct 22 ms 1492 KB Output is correct

Subtask #6
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 288 KB Output is correct
5 Correct 31 ms 1324 KB Output is correct
6 Correct 27 ms 1856 KB Output is correct
7 Correct 27 ms 1820 KB Output is correct
8 Correct 29 ms 1396 KB Output is correct
9 Correct 24 ms 1732 KB Output is correct
10 Correct 22 ms 1492 KB Output is correct
11 Correct 10 ms 468 KB Output is correct
12 Correct 23 ms 1576 KB Output is correct
13 Correct 27 ms 1484 KB Output is correct
14 Correct 18 ms 1296 KB Output is correct
15 Correct 31 ms 2252 KB Output is correct
16 Correct 22 ms 1748 KB Output is correct
17 Correct 10 ms 1072 KB Output is correct