Submission #337762

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Source Code Expand

// C: 風力観測
#include <stdio.h>
#include <stdlib.h>
#define MIN 60

int wind_power(int dis) {
  double disd = (double)dis;
  if (0.0 * MIN <= disd && disd < 0.25 * MIN)
    return 0;
  else if (0.25 * MIN <= disd && disd < 1.55 * MIN)
    return 1;
  else if (1.55 * MIN <= disd && disd < 3.35 * MIN)
    return 2;
  else if (3.35 * MIN <= disd && disd < 5.45 * MIN)
    return 3;
  else if (5.45 * MIN <= disd && disd < 7.95 * MIN)
    return 4;
  else if (7.95 * MIN <= disd && disd < 10.75 * MIN)
    return 5;
  else if (10.75 * MIN <= disd && disd < 13.85 * MIN)
    return 6;
  else if (13.85 * MIN <= disd && disd < 17.15 * MIN)
    return 7;
  else if (17.15 * MIN <= disd && disd < 20.75 * MIN)
    return 8;
  else if (20.75 * MIN <= disd && disd < 24.45 * MIN)
    return 9;
  else if (24.45 * MIN <= disd && disd < 28.45 * MIN)
    return 10;
  else if (28.45 * MIN <= disd && disd < 32.65 * MIN)
    return 11;
  else
    return 12;
}

int main(void) {
  int deg, dis;
  char v[16][4] = {"N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE",
                   "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW",
  };
  scanf("%d %d", &deg, &dis);
  int power = wind_power(dis);
  if (power <= 0)
    printf("C 0\n");
  else
    printf("%s %d\n", v[((deg *10+1125) / 2250) % 16], power);
  return EXIT_SUCCESS;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:41:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result