题解 | 牛牛的快递

#include <stdio.h>
#include <math.h>
int main() {
    float weight;
    char chioce;
    int price;
    scanf("%f %c",&weight,&chioce);
    switch(chioce){
        case 'y' :
        price = ceil (weight -1) +20 +5;
        printf("%d",price);
        break;
        case 'n' :
        price = ceil (weight -1) +20;
        printf("%d",price);   
        break;
    }

    return 0;
}