Submission #209514

#	Time	Username	Problem	Language	Result	Execution time	Memory
209514		model_code	Snail (NOI18_snail)	C++17	17 / 100	6 ms	380 KiB

snail

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 100005;
ll H, N, A[MAXN], sum;
int main() {
	scanf("%lld%lld", &H, &N);
	for (int i = 0; i < N; ++i) {
		scanf("%lld", &A[i]);
		sum += A[i];
		if (sum >= H) {
			printf("0 %d\n", i);
			return 0;
		}
	}
	if (sum == 0) {
		puts("-1 -1");
		return 0;
	}
	ll left = H % sum;
	if (left == 0) {
		printf("%lld %d\n", H/sum-1, N-1);
		return 0;
	}
	for (int i = 0; i < N; ++i) {
		left -= A[i];
		if (left <= 0) {
			printf("%lld %d\n", H/sum, i);
			return 0;
		}
	}
}

Compilation message (stderr)

snail.cpp: In function 'int main()':
snail.cpp:22:35: warning: format '%d' expects argument of type 'int', but argument 3 has type 'll {aka long long int}' [-Wformat=]
   printf("%lld %d\n", H/sum-1, N-1);
                                ~~~^
snail.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &H, &N);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
snail.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &A[i]);
   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 9
• Subtask 3: 0 / 25
• Subtask 4: 17 / 17
• Subtask 5: 0 / 38