#include <stdio.h> #include <stdlib.h> #define MAX 100001 int main(void) { int N = 0, K = 0; int M = -9999999; int tmp[MAX] = {0}; scanf("%d %d", &N, &K); for (int i = 0; i < N; i++) { scanf("%d", &tmp[i]); } printf("%d %d\n", N, K); for (int i = 0; i < N; i++) { int sum = 0; for (int j = i; j < i + K; j++) { sum += tmp[j]; } if (sum > M) { M = sum; } } printf("%d\n", M); return 0; }