Submission #17438

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
17438	2015-12-11 15:03:27	atomzeno	지우개 (GA4_eraser)	C++98	46 / 100	29 ms	3428 KiB

eraser

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#include<stdio.h>
#define MX 100001
#include<algorithm>
using namespace std;
int n;
long long int MOD=6000000042;
long long int a[MX],b[MX],c[MX],m,s,ss=1,ans;
int main(){
    int i,n;
    scanf("%d",&n);
    for(i=0;i<n;i++){
        scanf("%d",&a[i]);
        s+=a[i];
        s%=MOD;
    }
    sort(a,a+n);
    m=1;
    b[1]=a[0],c[1]=1;
    for(i=1;i<n;i++){
        if(b[m]==a[i]){c[m]++;}
        else{b[++m]=a[i],c[m]++;}
    }
    ss=s;
    ss*=s;
    ss=ss%MOD;
    ss*=s;
    ss=ss%MOD;
    ans=ss;
    for(i=1;i<=m;i++){
        b[i]*=c[i];
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 16 / 16
• Subtask 4: 17 / 17
• Subtask 5: 0 / 26
• Subtask 6: 0 / 28