Submission #15379

#	Time	Username	Problem	Language	Result	Execution time	Memory
15379		kyma123	달리는 게임 (kriii3_E)	C++98	0 / 70	2 ms	17220 KiB

E

#include <stdio.h>
#include <vector>
using namespace std;

long long int dp[2][1001234];

long long int maxv(long long int v[], int n){
    long long int M = v[0];
    for(int i=1;i<n;i++)
        M = (M>v[i]) ? M : v[i];
    return M;
}

int main(){
    int n, now, prev;
    scanf("%d", &n);
    vector<int> num;
    num.resize(n);
    for(int i=0;i<n;i++)
        scanf("%d", &num[i]);
    dp[0][0] = 0;
    dp[0][1] = num[0];
    for(int z=1;z<n;z++){
        now = z%2;
        prev = (z-1)%2;
        dp[now][0] = maxv(dp[prev], z+1);
        for(int i=1;i<z+2;i++)
            dp[now][i] = dp[prev][i-1] + i*num[z];
    }

    printf("%lld\n", maxv(dp[(n-1)%2], n));
    return 0;
}

• Subtask 1: 0 / 26
• Subtask 2: 0 / 44