60分，在线求救

Sbw060426 @ 2024-10-27 14:20:54

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a;
    scanf("%d", &a);
    double m;
    if (a<=150){
        m=0.4463*a;
        printf("%.1f", m);
    }
    if (a>150 && a<=400){
        m=150*0.4463+(a-150)*0.4663;
        printf("%.1f", m);
    }
    if (a>=401){
        m=150*0.4463+250*0.4663+(m-400)*0.5663;
        printf("%.1f", m);
    }
    return 0;
}

by gaohongyuan @ 2024-10-27 14:36:14

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a;
    scanf("%d", &a);
    double m;
    if (a<=150){
        m=0.4463*a;
        printf("%.1f", m);
    }
    else if (a<=400){
        m=150*0.4463+(a-150)*0.4663;
        printf("%.1f", m);
    }
    else{
        m=150*0.4463+250*0.4663+(a-400)*0.5663;
        printf("%.1f", m);
    }
    return 0;
}

最后一个if里面的a-400写成了M-400