Submission #1174512


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define int long long

const int MAX_N = 110;
int bit[MAX_N+1],n,ans;

int sum(int i){
  int s=0;
  while(i>0){
    s+=bit[i];
    i -= i &-i;
  }
  return s;
}

void add(int i,int x){
  while(i<=n){
    bit[i]+=x;
    i+=i&-i;
  }
}

signed main(){
  scanf("%d", &n);
  int a;
  for(int i=1;i<=n;i++){
    scanf("%d", &a);
    add(i,a);
  }



  int res=sum(n);

  if(res%n!=0){
    printf("-1\n");
    return 0;
  }
  int t=res/n;
  for(int i=1;i<=n-1;i++){
    int rP=0,lP=0;
    rP=sum(i);
    lP=res-rP;
    if(rP%(i)==0 && rP/(i)==t && lP%(n-(i))==0 && lP/(n-(i))==t){

    }else{
      // cout<<"rP="<<rP<<endl;
      // cout<<"lP="<<lP<<endl;
      ans++;
    }
  }
  printf("%d\n", ans);

  return 0;

}

Submission Info

Submission Time
Task B - 島と橋
User albicilla
Language C++14 (GCC 5.4.1)
Score 100
Code Size 816 Byte
Status AC
Exec Time 2 ms
Memory 256 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:25:17: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
   scanf("%d", &n);
                 ^
./Main.cpp:28:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
     scanf("%d", &a);
                   ^
./Main.cpp:53:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
   printf("%d\n", ans);
                     ^
./Main.cpp:25:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
                  ^
./Main.cpp:28:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &a);
                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 4
AC × 38
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt, subtask1_23.txt, subtask1_24.txt, subtask1_25.txt, subtask1_26.txt, subtask1_27.txt, subtask1_28.txt, subtask1_29.txt, subtask1_30.txt, subtask1_31.txt, subtask1_32.txt, subtask1_33.txt, subtask1_34.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
sample_04.txt AC 1 ms 256 KB
subtask1_01.txt AC 1 ms 256 KB
subtask1_02.txt AC 1 ms 256 KB
subtask1_03.txt AC 1 ms 256 KB
subtask1_04.txt AC 1 ms 256 KB
subtask1_05.txt AC 1 ms 256 KB
subtask1_06.txt AC 1 ms 256 KB
subtask1_07.txt AC 1 ms 256 KB
subtask1_08.txt AC 1 ms 256 KB
subtask1_09.txt AC 1 ms 256 KB
subtask1_10.txt AC 1 ms 256 KB
subtask1_11.txt AC 1 ms 256 KB
subtask1_12.txt AC 1 ms 256 KB
subtask1_13.txt AC 1 ms 256 KB
subtask1_14.txt AC 1 ms 256 KB
subtask1_15.txt AC 1 ms 256 KB
subtask1_16.txt AC 1 ms 256 KB
subtask1_17.txt AC 1 ms 256 KB
subtask1_18.txt AC 1 ms 256 KB
subtask1_19.txt AC 1 ms 256 KB
subtask1_20.txt AC 1 ms 256 KB
subtask1_21.txt AC 1 ms 256 KB
subtask1_22.txt AC 1 ms 256 KB
subtask1_23.txt AC 1 ms 256 KB
subtask1_24.txt AC 1 ms 256 KB
subtask1_25.txt AC 1 ms 256 KB
subtask1_26.txt AC 1 ms 256 KB
subtask1_27.txt AC 1 ms 256 KB
subtask1_28.txt AC 1 ms 256 KB
subtask1_29.txt AC 1 ms 256 KB
subtask1_30.txt AC 1 ms 256 KB
subtask1_31.txt AC 1 ms 256 KB
subtask1_32.txt AC 1 ms 256 KB
subtask1_33.txt AC 1 ms 256 KB
subtask1_34.txt AC 2 ms 256 KB