[C] 백준 - 25206번: 너의 평점은

6월 2일(금) - 심화 1 (25206번)

25206번: 너의 평점은

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최초 생각 정리

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문제점

x

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풀이

#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable: 4996)

#include <stdio.h>
#include <string.h>

typedef struct {
	char name[51];
	double credit;
	char grade[3];
}student;

int main(void)
{
	student information[21] = { 0, };
	double tmp_rating = 0.0;
	double sum_of_credit = 0.0;

	for (int i = 0; i < 20; i++)
	{
		scanf("%s", information[i].name);
		scanf("%lf", &information[i].credit);
		scanf("%s", information[i].grade);

		if (strcmp(information[i].grade, "A+") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (4.5);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "A0") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (4.0);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "B+") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (3.5);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "B0") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (3.0);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "C+") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (2.5);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "C0") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (2.0);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "D+") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (1.5);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "D0") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (1.0);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else if (strcmp(information[i].grade, "F") == 0)
		{
			tmp_rating = tmp_rating + information[i].credit * (0);
			sum_of_credit = sum_of_credit + information[i].credit;
		}
		else
		{
			continue;
		}
	}

	printf("%lf", tmp_rating / sum_of_credit);
	return 0;
}

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