:c语言习题无线电台的RS制信号报告是由三两个部分组成的: R(Re

#include<stdio.h>

int main()

{

int x

scanf("%d",&x)

int m,n

m=x/慧郑10

n=x%10

switch(n)

{ case 1: printf("Faint signals, barely perceptible")break

case 2: printf("Very weak signals")break

case 3: printf("Weak signals"裂轮)break

case 4: printf("Fair signals")break

case 5: printf("Fairly good signals")break

case 6: printf("Good signals")break

case 7: printf("Moderately strong signals")break

case 8: printf("Strong signals")break

case 9: printf("Extremely strong signals"前源颂)break

default :printf("worng")break

}

printf(", ")

switch(m)

{ case 1: printf("unreadable")break

case 2: printf("barely readable, occasional words distinguishable")break

case 3: printf("readable with considerable difficulty")break

case 4: printf("readable with practically no difficulty")break

case 5: printf("perfectly readable")break

default :printf("worng")break

}

printf(".")

return 0

}

#include <signal.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

  

void my_func(int sign_no)

{

    if(sign_no==SIGINT)

        printf("I have get SIGINT\n")

    else if(sign_no==SIGTERM) 肆旅袜 

        printf("I have get SIGQUIT\n")

}

int main()

{

    printf("Waiting for signal SIGINT or SIGTERM \n ")

printf("process is %d\n ",getpid())

    signal(SIGINT, my_func)

    signal(SIGTERM, my_func)

while(1)

  裂激  镇绝exit(0)

}

linux 平台就 用while阻塞就行

不知道你用的是什么平台？

送巧搜慧分题

#include<stdio.h>

int main()

{

    char a,b,c

    scanf("%c%c"孝答,&a,&b)

    printf("%c%c, %c.\n",b+48,b+48,a+48)

 漏基   return 0

}

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