Submission #1626781

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Source Code Expand

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<utility>
#include<vector>
#include<set>
#include<map>
#include<math.h>
#include<numeric>

using namespace std;

#define FOR(i, a, b) for(int i=(a); i<(b); i++)
#define REP(i, n) for(int i=0; i<n; i++)

typedef long long int ll;


int main(){
  int n;
  scanf("%d",&n);
  vector<int> a(n);
  vector<int> b(0);
  REP(i,n) scanf("%d",&a[i]);
  int accm = 1;
  REP(i,n-1){
    if(a[i+1]<=a[i]){
      b.push_back(accm);
      accm = 0;
    }
    accm++;
  }
  b.push_back(accm);
  int sum = 0;
  for(auto e : b){
    sum += e*(e+1)/2;
  }
  cout << sum;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
                 ^
./Main.cpp:24:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   REP(i,n) scanf("%d",&a[i]);
                             ^

Judge Result