Submission #423588

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Source Code Expand

#include <iostream>
#include <vector>

int main() {
  int a, b, c;
  std::cin >> a;
  std::vector<int> vi1, vi2;
  for (int i = 0; i < a; i++) {
    std::cin >> b >> c;
    vi1.push_back(b);
    vi2.push_back(c);
  }
  for (int i = 0; i < 2 * a; i++) {
    int d = 0;
    for (int j = 0; j < a; j++) {
      int e = i - j - 1;
      if (0 <= e && e < a) {
        d += vi1[j] * vi2[e];
    }
    }
    std::cout << d << std::endl;
  }
  return 0;
}

Submission Info

Judge Result