poj1929

无算法，但有些麻烦

View Code

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define maxl 100
#define eps 10E-9

char st[maxl];
char unit;
double fat;
double tot;

void input()
{
    int temp;
    char ch;
    sscanf(st, "%d%c", &temp, &ch);
    bool percent;
    int p = 0;
    int c = 0;
    if (ch == '%')
    {
        percent = true;
        p += temp;
    }
    else if (ch == 'g')
    {
        percent = false;
        c += temp * 9;
        fat += temp * 9;
    }
    else
    {
        percent = false;
        c += temp;
        fat += temp;
    }
    int f[4] =
    { 4, 4, 4, 7 };
    for (int i = 0; i < 4; i++)
    {
        int a;
        scanf("%d%c", &a, &ch);
        if (ch == '%')
            p += a;
        else if (ch == 'g')
            c += a * f[i];
        else
            c += a;

    }
    tot += c / (100.0 - p) * 100;
    if (percent)
        fat += c / (100.0 - p) * temp;
}

int main()
{
    //freopen("t.txt", "r", stdin);
    while (scanf("%s", st), strcmp(st, "-"))
    {
        fat = 0;
        tot = 0;
        do
        {
            input();
        } while (scanf("%s", st), strcmp(st, "-"));
        printf("%d%%\n", (int)(fat  * 100 / tot + 0.5 + eps));
    }
    return 0;
}