Submission #1243295

#	Time	Username	Problem	Language	Result	Execution time	Memory
1243295		lunarecho	Pyramids (IOI24_pyramids)	C++20	0 / 100	34 ms	4932 KiB

pyramids

#include <bits/stdc++.h>
#include "pyramids.h"
using namespace std;
#define ll long long
vector<ll> prefix1, prefix2;

void init(std::vector<int> A, std::vector<int> B) {
  int n = (int) A.size();
  prefix1.resize(n+1,0);
  prefix2.resize(n+1,0);
  for(int i=1;i<=n;++i)
  {
    prefix1[i] = prefix1[i - 1] + (A[i - 1] * 1LL);
    prefix2[i] = prefix2[i - 1] + (B[i - 1] * 1LL);
  }
}

bool can_transform(int L, int R, int X, int Y) {
  

  ll sum1 = prefix1[R + 1] - prefix1[L];
  ll sum2 = prefix2[R + 1] - prefix2[L];

  return sum1 == sum2;

}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20
• Subtask 4: 0 / 30