Submission #1548107

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Source Code Expand

/*
 * c.cpp
 *
 *  Created on: 2017/08/27
 *      Author: pinebooks
 */

#include <cstdio>
#include <string>
#include <math.h>

using namespace std;

string detect_Dir(char Dirs[][4], int Deg, int Wind) {
  if (Wind == 0)
    return "C";
  for (int i = 0; i < 15; ++i) {
    if (112.5 + i * 225 <= (double)Deg && (double)Deg < 112.5 + (i + 1) * 225)
      return Dirs[i];
  }
  return Dirs[15];
}

int detect_Wind(int Dis) {
  double Speed_per_second = Dis * 1.0 / 60.0;
  Speed_per_second = floor(Speed_per_second * 10 + 0.5) / 10.0;
  if (0.0 <= Speed_per_second && Speed_per_second <= 0.2)
    return 0;
  else if (0.3 <= Speed_per_second && Speed_per_second <= 1.5)
    return 1;
  else if (1.6 <= Speed_per_second && Speed_per_second <= 3.3)
    return 2;
  else if (3.4 <= Speed_per_second && Speed_per_second <= 5.4)
    return 3;
  else if (5.5 <= Speed_per_second && Speed_per_second <= 7.9)
    return 4;
  else if (8.0 <= Speed_per_second && Speed_per_second <= 10.7)
    return 5;
  else if (10.8 <= Speed_per_second && Speed_per_second <= 13.8)
    return 6;
  else if (13.9 <= Speed_per_second && Speed_per_second <= 17.1)
    return 7;
  else if (17.2 <= Speed_per_second && Speed_per_second <= 20.7)
    return 8;
  else if (20.8 <= Speed_per_second && Speed_per_second <= 24.4)
    return 9;
  else if (24.5 <= Speed_per_second && Speed_per_second <= 28.4)
    return 10;
  else if (28.5 <= Speed_per_second && Speed_per_second <= 32.6)
    return 11;
  else if (32.7 <= Speed_per_second)
    return 12;
}

int main() {
  int Deg, Dis;
  scanf("%d%d", &Deg, &Dis);
  char Dirs[][4] = { "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE", "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW", "N" };
  int Wind = detect_Wind(Dis);
  string Dir = detect_Dir(Dirs, Deg, Wind);
  printf("%s %d\n", Dir.c_str(), Wind);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:57:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &Deg, &Dis);
                            ^

Judge Result