为什么只有80%？

#include <iostream>
#include <cmath>

using namespace std;

int c[1000000];

int main()
{
    int n, m, s1, p1, s2, p2, dragon = 0, tiger = 0, dragon1, tiger1, min, min1;
    cin >> n;
    for (int i=1; i<=n; i++)
        cin>>c[i];
    cin >> m >> p1 >> s1 >> s2;
    c[p1] += s1;
    for (int i=1; i<m; i++)
        dragon += c[i]*(m-i);
    for (int i=n; i>m; i--)
        tiger += c[i]*(i-m);
    min = abs(dragon-tiger);
    for (int i=n; i>=1; i--) {
        if (i > m) {
            tiger1 = tiger+s2*(i-m);
            dragon1 = dragon;
        }else if (i < m) {
            dragon1 = dragon+s2*(m-i);
            tiger1 = tiger;
        }else{
            dragon1 = dragon;
            tiger1 = tiger;
        }
        min1 = abs(dragon1-tiger1);
        if (min1 <= min) {
            min = min1;
            p2 = i;
        }
    }
    cout << p2 << endl;
    return 0;
}