CodeForces -1216B.Shooting

水题

#include <cstdio>
#include <algorithm>
using namespace std;
const int N = ;
struct node{
    int s, f;
    inline bool operator < (const node &o) const{
        return s < o.s;
    }
} a[N];
int main() {
    int n;
    scanf("%d", &n);
    for (int i = ; i < n; i++) {
        scanf("%d", &a[i].s);
        a[i].f = i + ;
    }
    sort(a, a + n);
    int sum = ;
    for (int i = ; i < n; i++)
        sum += i * a[n -  - i].s + ;
    printf("%d\n", sum);
    for (int i = n - ; i >= ; i--)
        printf("%d ", a[i].f);
    return ;
}