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Submission #584282

# Submission time Handle Problem Language Result Execution time Memory
584282 2022-06-27T07:17:03 Z denniskim Snail (NOI18_snail) C++17
37 / 100
 3 ms 468 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef long double ld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second

ll H, n;
ll a[10010];
ll l, r;
ll maxx;
ll sum;

int main(void)
{
	scanf("%lld %lld", &H, &n);
	
	for(ll i = 1 ; i <= n ; i++)
	{
		scanf("%lld", &a[i]);
		sum += a[i];
	}
	
	if(sum <= 0)
	{
		ll h = 0;
		
		for(ll i = 1 ; i <= n ; i++)
		{
			h += a[i];
			
			if(h >= H)
			{
				printf("0 %lld", i - 1);
				return 0;
			}
		}
		
		printf("-1 -1");
		return 0;
	}
	
	ll h = 0;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		h += a[i];
		maxx = max(maxx, h);
	}
	
	ll dap = (H - maxx + sum - 1) / sum;
	dap = max(dap, 0LL);
	
	h = sum * dap;
	
	if(h >= H)
	{
		printf("%lld %lld", dap - 1, n - 1);
		return 0;
	}
	
	for(ll i = 1 ; i <= n ; i++)
	{
		h += a[i];
		
		if(h >= H)
		{
			printf("%lld %lld", dap, i - 1);
			return 0;
		}
	}
	
	printf("-1 -1");
	return 0;
}

Compilation message

snail.cpp: In function 'int main()':
snail.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  scanf("%lld %lld", &H, &n);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~
snail.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |   scanf("%lld", &a[i]);
      |   ~~~~~^~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 272 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct

Subtask #2
9.0 / 9.0

# 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 0 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 320 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 2 ms 448 KB Output is correct
6 Correct 1 ms 400 KB Output is correct

Subtask #5
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 272 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 312 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 320 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Incorrect 0 ms 212 KB Output isn't correct
17 Halted 0 ms 0 KB -