Submission #857124

#	Time	Username	Problem	Language	Result	Execution time	Memory
857124		Halym2007	Red-blue table (IZhO19_stones)	C++11	0 / 100	43 ms	1392 KiB

stones

#include <bits/stdc++.h>
using namespace std;
int a,b,c,d,t;
bool tr1, tr2;

int main(){
	cin>>t;
	while(t--){
		cin>>a>>b;
		tr1 = true;
		if(a == 1 or b == 1){
			cout<<max(a, b)<<endl;
			if(a == 1)	for(int i=1; i <= b; i++)	cout<<'+';
			if(b == 1)	for(int i=1; i <= a; i++)	cout<<'-'<<endl;
		}
		else{
			cout<<a + b - 2<<endl;
			for(int i=1; i <= a; i++){
				if(i == a){
					for(int j=1; j <= b; j++)	cout<<'-';
				}
				else{
					cout<<'+';
					
					if(tr1 == true){
						tr2 = true;
						for(int j=2; j <= b; j++){
							if(tr2 == true){
								cout<<'-';
								tr2 = false;
								continue;
							}
							else{
								cout<<'+';
								tr2 = true;
							}
						}
						tr1 = false;
					}
					else{
						tr2 = false;
						for(int j=2; j <= b; j++){
							if(tr2 == false){
								cout<<'+';
								tr2 = true;
								continue;
							}
							else{
								cout<<'-';
								tr2 = false;
							}
						}
						tr1 = true;
					}
				}
				cout<<endl;
			}
		}
	}
}
//DONE

• Subtask 1: 0 / 17
• Subtask 2: 0 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31