Submission #23283

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Source Code Expand

/*
 * ARC004A.cpp
 *
 *  Created on: 2012/06/16
 *      Author: satoki
 */
#include <stdio.h>
#include <algorithm>
#include <math.h>
#include <functional>

using namespace std;

int N;
int x[100]; // 最大15+2
int y[100]; // 最大15+2

double dis[100 * 100]; // 動的計画法の計算用

bool input() {
  int i;
  scanf("%d", &N);
  if (!N)
    return false; // x = 0 かつ y = 0 なら終了

  for (i = 0; i < N; i++) {
    scanf("%d %d", &x[i], &y[i]);
  }

  return true;
}

void manage() {
  int i, j;

  for (i = 0; i < N; i++) {
    for (j = 0; j < N; j++) {
      dis[i * N + j] = sqrt(
          (x[i] - x[j]) * (x[i] - x[j]) + (y[i] - y[j]) * (y[i] - y[j]));
    }

  }
  sort(dis, dis + N * N, greater<double>());
  printf("%f\n", dis[0]);
}

int main() {

  input();
  manage();

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘bool input()’:
./Main.cpp:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
./Main.cpp:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result

Judge Result