Switch结构的分析_20160225

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Switch语句的流程图：

Eg1:

#include <stdio.h>int main(void){    int a;    printf("input integer number:      ");    scanf("%d",&a);    switch (a)    {        case 1:printf("Monday\n");        case 2:printf("Tuesday\n");        case 3:printf("Wednesday\n");        case 4:printf("Thursday\n");        case 5:printf("Friday\n");        case 6:printf("Saturday\n");        case 7:printf("Sunday\n");        default:printf("error\n");    }    return 0;}

运行结果：
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Eg2:

#include <stdio.h>int main(void){    int a;    printf("input integer number:    ");    scanf("%d",&a);    switch (a)    {        case 1:printf("Monday\n");    break;        case 2:printf("Tuesday\n");   break;        case 3:printf("Wednesday\n"); break;        case 4:printf("Thursday\n");  break;        case 5:printf("Friday\n");    break;        case 6:printf("Saturday\n");  break;        case 7:printf("Sunday\n");    break;        default:printf("error\n");    }    return 0;}

运行结果：
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Eg3:

#include <stdio.h>int main(void){    int a;    printf("input integer number:    ");    scanf("%d",&a);    switch (a)    {        case 1:printf("Monday\n");    break;        case 2:printf("Tuesday\n");   break;        default:printf("error\n");                case 3:printf("Wednesday\n"); break;        case 4:printf("Thursday\n");  break;        case 5:printf("Friday\n");    break;        case 6:printf("Saturday\n");  break;        case 7:printf("Sunday\n");    break;    }    return 0;}

运作结果:
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