include stdio int main void int double res 75 printf ----- ----- -----

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#include <stdio.h>
int main(void){
int a=3, b=4;
double res = 0.75;
printf("||-----|-----|-----|-----||\n");
printf("|| act | one | two | res ||\n");
printf("||=====+=====+=====+=====||\n");
printf("||%5c|%-5d|%-5d|%5.5d||\n",'+',a,b,a+b);
printf("||%5c|%5d|%5d|%4.4d||\n",'-',a,b,a-b);
printf("||%5c|%5d|%-5d|%5.5d||\n",'*',a,b,a*b);
printf("||%-5c|%-5d|%5d|%4.3f||\n",'/',a,b,res);
printf("===========================");
return(0);}