oj.uz

답안 #23143

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
23143 2017-05-03T14:07:52 Z ainta Unifying Values (KRIII5_UV) C++14
0 / 7
 3 ms 1232 KB 
#include<cstdio>
#include<algorithm>
using namespace std;
int n, D[10100], Mod = 1000000007, Res;
long long S[10100];
void Do(int K){
    int i;
    long long t = S[n]/K, tp;
    for(i=0;i<=K;i++)D[i] = 0;
    D[0] = 1;
    for(i=1;i<=n;i++){
        tp = S[i]/t;
        if(tp*t!=S[i])continue;
        if(tp<=0||tp>K)continue;
        D[tp] = (D[tp]+D[tp-1])%Mod;
    }
    Res = (Res + D[K])%Mod;
}
int main(){
    int i;
    scanf("%d",&n);
    for(i=1;i<=n;i++){
        scanf("%lld",&S[i]);
        S[i]+=S[i-1];
    }
    if(S[n]==0){
        Res = 1;
        for(i=1;i<n;i++){
            if(S[i]==0)Res=Res*2%Mod;
        }
        Res=(Res-1)%Mod;
        printf("%d\n",Res);
        return 0;
    }
    for(i=2;i<=n;i++){
        if(S[n]%i==0){
            Do(i);
        }
    }
    printf("%d\n",Res);
}

Compilation message

UV.cpp: In function 'int main()':
UV.cpp:21:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
UV.cpp:23:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",&S[i]);
                            ^

Subtask #1
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1232 KB Output is correct
2 Correct 0 ms 1232 KB Output is correct
3 Correct 0 ms 1232 KB Output is correct
4 Correct 3 ms 1232 KB Output is correct
5 Correct 3 ms 1232 KB Output is correct
6 Correct 0 ms 1232 KB Output is correct
7 Correct 0 ms 1232 KB Output is correct
8 Incorrect 0 ms 1232 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 1232 KB Output isn't correct
2 Halted 0 ms 0 KB -