Submission #242303

#	Time	Username	Problem	Language	Result	Execution time	Memory
242303		shenxy	Triple Jump (JOI19_jumps)	C++11	5 / 100	4057 ms	2808 KiB

jumps

#include <cstdio>
#include <algorithm>
using namespace std;
int main() {
	int N, Q, L, R;
	scanf("%d", &N);
	int A[N];
	for (int i = 0; i < N; ++i) scanf("%d", &A[i]);
	scanf("%d", &Q);
	for (int i = 0; i < Q; ++i) {
		scanf("%d %d", &L, &R);
		--L, --R;
		int ans = 0;
		for (int i = L; i <= R; ++i) {
			for (int j = i + 1; j <= R; ++j) {
				for (int k = j + j - i; k <= R; ++k) ans = max(ans, A[i] + A[j] + A[k]);
			}
		}
		printf("%d\n", ans);
	}
	return 0;
}

Compilation message (stderr)

jumps.cpp: In function 'int main()':
jumps.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
jumps.cpp:8:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 0; i < N; ++i) scanf("%d", &A[i]);
                              ~~~~~^~~~~~~~~~~~~
jumps.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &Q);
  ~~~~~^~~~~~~~~~
jumps.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &L, &R);
   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 27
• Subtask 4: 0 / 54