Submission #2460570

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

vector<int> primes;
vector<bool> isPrime;

int main() {
  isPrime.assign(555556, true);
  for (int i = 2; i <= 55555; i++) {
    if (isPrime[i]) {
      if (i % 5 == 1) primes.push_back(i);
      for (int j = 2 * i; j <= 55555; j += i) {
        isPrime[j] = false;
      }
    }
  }

  int n;
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    if (i) printf(" ");
    printf("%d", primes[i]);
  }
  printf("\n");
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
                  ^

Judge Result