Submission #366166

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Source Code Expand

#include <cstdio>
#include <cmath>
#include <string>
#include <iostream>

using namespace std;

int main(void)
{
	// 入力変数
	int deg;
	int dis;

	// 必要経費
	const string dir[] = {"N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE", "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW"};
	const int velocity[] = {20, 150, 330, 540, 790, 1070, 1380, 1710, 2070, 2440, 2840, 3260};

	// 入力
	scanf("%d", &deg);
	scanf("%d", &dis);

	// 風向を求める
	string dirAns = dir[((deg * 10 + 1125) / 2250) % 16];

	// 風力を求める
	dis *= 100;
	int fast = dis / 60;
	if (fast % 10 < 5)
		fast -= fast % 10;
	else
		fast += (10 - fast % 10);

	int w = 12;
	for (int i = 0; i < 12; i++)
	{
		if (fast <= velocity[i])
		{
			w = i;
			break;
		}
	}

	if (w == 0)
		dirAns = "C";

	cout << dirAns << " " << w << endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &deg);
                   ^
./Main.cpp:20:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &dis);
                   ^

Judge Result