oj.uz

답안 #209929

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
209929 2020-03-16T02:14:02 Z super_j6 Red-blue table (IZhO19_stones) C++14
100 / 100
 124 ms 5240 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
#include <queue>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
#define f first
#define s second

const int maxn = 1000;
int n, m;
int a[maxn][maxn];
queue<pi> q;

void answer(){
	cin >> n >> m;
	
	bool f = 0;
	if(n < m){
		swap(n, m);
		f = 1;
	}
	
	for(int i = 0; i < n; i++){
		if((m - 1) / 2) q.push({i, (m - 1) / 2});
	}
	
	int ret = 0;
	memset(a, 0, sizeof(a));
	for(int i = n / 2; !q.empty(); i--){
		pi p = q.front();
		q.pop();
		
		a[p.f][ret] = 1;
		if(--p.s) q.push(p);
		
		if(!i){
			ret++;
			i = n / 2 + 1;
		}
	}
	ret += n;
	
	if(f) swap(n, m);
	cout << ret << endl;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			cout << ((f ? a[j][i] : a[i][j]) ^ f ? '-' : '+');
		}
		cout << endl;
	}
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	int t;
	cin >> t;
	
	for(int i = 0; i < t; i++) answer();

	return 0;
}

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4216 KB Output is correct
2 Correct 8 ms 4216 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 4216 KB Output is correct

Subtask #3
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4216 KB Output is correct
2 Correct 8 ms 4216 KB Output is correct
3 Correct 44 ms 4216 KB Output is correct
4 Correct 69 ms 4344 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 88 ms 5240 KB Output is correct
2 Correct 32 ms 5112 KB Output is correct
3 Correct 33 ms 4984 KB Output is correct

Subtask #5
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 5240 KB Output is correct
2 Correct 32 ms 5112 KB Output is correct
3 Correct 30 ms 4984 KB Output is correct

Subtask #6
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4216 KB Output is correct
2 Correct 8 ms 4216 KB Output is correct
3 Correct 44 ms 4216 KB Output is correct
4 Correct 69 ms 4344 KB Output is correct
5 Correct 88 ms 5240 KB Output is correct
6 Correct 32 ms 5112 KB Output is correct
7 Correct 33 ms 4984 KB Output is correct
8 Correct 56 ms 5240 KB Output is correct
9 Correct 32 ms 5112 KB Output is correct
10 Correct 30 ms 4984 KB Output is correct
11 Correct 124 ms 4472 KB Output is correct
12 Correct 31 ms 4984 KB Output is correct
13 Correct 33 ms 5112 KB Output is correct
14 Correct 27 ms 4856 KB Output is correct
15 Correct 37 ms 5240 KB Output is correct
16 Correct 28 ms 4984 KB Output is correct
17 Correct 15 ms 4600 KB Output is correct