Submission #2122734

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Source Code Expand

#include <stdio.h>
#include <math.h>

int main(int argc, char const *argv[]) {
  int N;
  scanf("%d", &N);
  int x[N];
  int y[N];
  for (int i = 0; i < N; i++) {
    scanf("%d%d", &x[i], &y[i]);
  }
  float d2 = 0;
  float s2 = 0;
  for (int i = 0; i < N; i++) {
    for (int j = i + 1; j < N; j++) {
      s2 = (x[i] - x[j])*(x[i] - x[j]) + (y[i] - y[j])*(y[i] - y[j]);
      if (s2 > d2) {
        d2 = s2;
      }
    }
  }
  printf("%f\n", sqrt(d2));
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, const char**)’:
./Main.cpp:6:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &N);
                  ^
./Main.cpp:10:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &x[i], &y[i]);
                                ^

Judge Result