CCF-CSP 202109-1 数组推导（100分）

using namespace std;
#define N 101
#include<string.h>

int B[101];
int summax = 0;
int summin = 0;

int main(void) {
	int n;
	cin >> n;
	memset(B, 0, sizeof(B));
	for (int i = 1; i <= n; i++) {
		cin >> B[i];
		summax += B[i];
	}

	for (int i = 1; i <= n; i++) {
		if (B[i] > B[i - 1]) {
			summin += B[i];
		}
		else if (i == 1) {
			summin += B[i];
		}
		else {
			summin += 0;
		}
	}

	cout << summax << endl;
	cout << summin << endl;
	 
}