oj.uz

Submission #238848

# Submission time Handle Problem Language Result Execution time Memory
238848 2020-06-13T08:13:57 Z arnold518 Red-blue table (IZhO19_stones) C++14
0 / 100
 59 ms 1528 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1000;

int TC, N, M;
char S[MAXN+10][MAXN+10];

int main()
{
	int i, j, k;

	scanf("%d", &TC);
	while(TC--)
	{
		scanf("%d%d", &N, &M);

		int ans=0; pii t;
		for(i=0; i<=N; i++)
		{
			for(j=0; j<=M; j++)
			{
				int x=min((M-1)/2, j);
				int y=max(0, i-(N-1)/2);
				if(x*i>=y*j) { if(ans<=i+j) ans=i+j, t={i, j}; }
			}
		}

		for(i=0; i<N; i++) for(j=0; j<M; j++) S[i][j]='-';

		int a=t.first, b=t.second;
		int x=min((M-1)/2, b);
		int y=max(0, a-(N-1)/2);

		for(j=0, i=0; j<b; j++)
		{
			for(k=0; k<y; k++, i=(i+1)%a)
			{
				S[i][j]='+';
			}
		}

		printf("%d\n", ans);
		for(i=0; i<N; i++) { for(j=0; j<M; j++) printf("%c", S[i][j]); printf("\n"); }
	}
}

Compilation message

stones.cpp: In function 'int main()':
stones.cpp:36:7: warning: unused variable 'x' [-Wunused-variable]
   int x=min((M-1)/2, b);
       ^
stones.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &TC);
  ~~~~~^~~~~~~~~~~
stones.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &N, &M);
   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB in the table A+B is not equal to 4
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB in the table A+B is not equal to 46

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB in the table A+B is not equal to 4
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 55 ms 1400 KB in the table A+B is not equal to 116
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 59 ms 1528 KB in the table A+B is not equal to 44
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB in the table A+B is not equal to 4
2 Halted 0 ms 0 KB -