Submission #1366346

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

//--------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define RFOR(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define LL long long
#define INF INT_MAX/3

//--------------------------------------------
const double EPS = 1e-14;
const double PI  = acos(-1.0);

//--------------------------------------------

char* calc_deg(double deg) {
  if (deg < 11.25 || 348.75 <= deg) return (char*)"N";
  else if (deg < 33.75) return (char*)"NNE";
  else if (deg < 56.25) return (char*)"NE";
  else if (deg < 78.75) return (char*)"ENE";
  else if (deg < 101.25) return (char*)"E";
  else if (deg < 123.75) return (char*)"ESE";
  else if (deg < 146.25) return (char*)"SE";
  else if (deg < 168.75) return (char*)"SSE";
  else if (deg < 191.25) return (char*)"S";
  else if (deg < 213.75) return (char*)"SSW";
  else if (deg < 236.25) return (char*)"SW";
  else if (deg < 258.75) return (char*)"WSW";
  else if (deg < 281.25) return (char*)"W";
  else if (deg < 303.75) return (char*)"WNW";
  else if (deg < 326.25) return (char*)"NW";
  else if (deg < 348.75) return (char*)"NNW";
}

int calc_dis(double dir) {
  if (dir <= 0.2) return 0;
  else if (dir <= 1.5) return 1;
  else if (dir <= 3.3) return 2;
  else if (dir <= 5.4) return 3;
  else if (dir <= 7.9) return 4;
  else if (dir <= 10.7) return 5;
  else if (dir <= 13.8) return 6;
  else if (dir <= 17.1) return 7;
  else if (dir <= 20.7) return 8;
  else if (dir <= 24.4) return 9;
  else if (dir <= 28.4) return 10;
  else if (dir <= 32.6) return 11;
  else return 12;
}

int main(){
  double deg = 0;
  double dis = 0;
  char dir[5];
  int w;

  scanf("%lf %lf",&deg,&dis);

  dis = (dis / 6) + 0.5;
  dis = int(dis);
  dis = double(dis) / 10;

  strcpy(dir,calc_deg(deg / 10));
  w = calc_dis(dis);
  if (w == 0) strcpy(dir,"C");

  printf("%s %d\n",dir,w);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:59:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lf %lf",&deg,&dis);
                             ^

Judge Result