test/yosupo/static_range_sum.test.cpp

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• Last update: 2020-09-25 16:01:41+09:00
• Problem: https://judge.yosupo.jp/problem/static_range_sum

Depends on

• datastructure/cumulativesum.cpp

Code

// verification-helper: PROBLEM https://judge.yosupo.jp/problem/static_range_sum

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

#define call_from_test
#include "../../datastructure/cumulativesum.cpp"
#undef call_from_test

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);
  const char newl = '\n';

  using ll = long long;

  int n,q;
  cin>>n>>q;
  vector<ll> as(n);
  for(int i=0;i<n;i++) cin>>as[i];

  CumulativeSum cs(as);
  for(int i=0;i<q;i++){
    int l,r;
    cin>>l>>r;
    cout<<cs.query(l,r)<<newl;
  }
  return 0;
}

#line 1 "test/yosupo/static_range_sum.test.cpp"
// verification-helper: PROBLEM https://judge.yosupo.jp/problem/static_range_sum

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

#define call_from_test
#line 1 "datastructure/cumulativesum.cpp"

#line 3 "datastructure/cumulativesum.cpp"
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T>
struct CumulativeSum{
  vector<T> sm;
  CumulativeSum(const vector<T> &as){
    int n=as.size();
    sm.resize(n+1);
    sm[0]=T();
    for(int i=0;i<n;i++)
      sm[i+1]=sm[i]+as[i];
  }
  // [l, r)
  T query(int l,int r){return -sm[l]+sm[r];}
};
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed main(){
  return 0;
}
#endif
#line 8 "test/yosupo/static_range_sum.test.cpp"
#undef call_from_test

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);
  const char newl = '\n';

  using ll = long long;

  int n,q;
  cin>>n>>q;
  vector<ll> as(n);
  for(int i=0;i<n;i++) cin>>as[i];

  CumulativeSum cs(as);
  for(int i=0;i<q;i++){
    int l,r;
    cin>>l>>r;
    cout<<cs.query(l,r)<<newl;
  }
  return 0;
}

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