Submission #1201870

#TimeUsernameProblemLanguageResultExecution timeMemory
1201870KK_1729Pyramids (IOI24_pyramids)C++20
30 / 100
36 ms4304 KiB
#include "pyramids.h" #include <bits/stdc++.h> using namespace std; vector<int> a; vector<int> b; void init(std::vector<int> A, std::vector<int> B) { a = A; b = B; int n = A.size(); for (int i = 1; i < n; i++){ a[i] += a[i-1]; b[i] += b[i-1]; } } bool can_transform(int L, int R, int X, int Y) { long long sum1 = a[R]; if (L) sum1 -= a[L-1]; long long sum2 = b[Y]; if (X) sum2 -= b[X-1]; return (sum1 == sum2); }
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