oj.uz

Submission #168295

# Submission time Handle Problem Language Result Execution time Memory
168295 2019-12-12T10:04:29 Z spartan_enkh Red-blue table (IZhO19_stones) C++14
38 / 100
 39 ms 1364 KB 
#include<bits/stdc++.h>

using namespace std;

int main(){
	int t,n,m,x,y,i,j,k,l;
	
	scanf("%d",&t);
	while(t--){
		scanf("%d%d",&n,&m);
		if(n==1 || m==1){
			printf("%d\n",max(n,m));
			for(i=1;i<=n;i++){
				for(j=1;j<=m;j++){
					if(m==1) printf("+");
					else if(n==1) printf("-");
				}
				printf("\n");
			}
		}
		else if(n==2 || m==2){
			printf("%d\n",max(n,m));
			for(i=1;i<=n;i++){
				for(j=1;j<=m;j++){
					if(m==2) printf("+");
					else if(n==2) printf("-");
				}
				printf("\n");
			}
		}
		else if(n<5 && m<5){
			printf("%d\n",max(n,m)+1);
			if(n>=m){
				for(i=1;i<=n;i++){
					for(j=1;j<m;j++)
						printf("+");
					printf("-\n");
				}
			} else{
				for(i=1;i<n;i++){
					for(j=1;j<=m;j++)
						printf("-");
					printf("\n");
				}
				for(j=1;j<=m;j++) printf("+");
				printf("\n");
			}
		}
		else if(m<5){
			printf("%d\n",n+1);
			for(i=1;i<=n;i++){
				for(j=1;j<m;j++)
					printf("+");
				printf("-\n");
			}
		}
		else if(n<5){
			printf("%d\n",m+1);
			for(i=1;i<n;i++){
				for(j=1;j<=m;j++)
					printf("-");
				printf("\n");
			}
			for(j=1;j<=m;j++) printf("+");
			printf("\n");
		}
		else{
			if(!(n%2)) x=n-2;
			else x=n-1;
			if(!(m%2)) y=m-2;
			else y=m-1;
			printf("%d\n",x+y);
			k=1; 
			for(i=1;i<=x;i++){
				if(k) l=1;
				else l=0;
				k=1-k;
				for(j=1;j<=y;j++){
					if(l) printf("+");
					else printf("-");
					l=1-l;
				}
				if(!(m%2)) printf("++\n");
				else printf("+\n");
			}
			if(!(n%2)) k=2;
			else k=1;
			for(i=1;i<=k;i++){
				for(j=1;j<=m;j++)
					printf("-");
				printf("\n");
			}					
		}
	}
	return 0;
}

Compilation message

stones.cpp: In function 'int main()':
stones.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&t);
  ~~~~~^~~~~~~~~
stones.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&n,&m);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Incorrect 4 ms 376 KB Wrong answer in test 38 5: 40 < 41

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 1364 KB Output is correct
2 Correct 34 ms 1272 KB Output is correct
3 Correct 33 ms 1144 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 1272 KB Wrong answer in test 6 6: 8 < 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Incorrect 4 ms 376 KB Wrong answer in test 38 5: 40 < 41