为什么只有80分
#include<bits/stdc++.h>
using namespace std;
int a, b, c, s, n, q;
int main() {
cin >> a >> b;
cin >> c;
s = a - c;
if (s < 0) {
n++;
} else {
q = s;
}
for (int i = 2; i <= b; i++) {
cin >> c;
s = q - c;
if (s < 0) {
n++;
} else {
q = s;
}
}
cout<<n;
return 0;
}
