C语言-实验五

代码：#include #include #include int add(int x,int y)

{

int z; z=x+y;

return(z); }

int jian(int x,int y) {

int z; z=x-y;

return(z); }

int cheng(int x,int y) { int z;

z=x*y; return(z); }

int chu(int x,int y) { int z; z=x/y;

return(z);

}

int main() {

int i,j,x; int op;

int res; int z=0;

srand((unsigned)(time(NULL))); for(x=0;x<10;x++) { j=rand()1;

i=rand()1;

op=rand()%5;

switch(op)

{

case 1:

printf(\ scanf(\ if(res==add(i,j)) {

printf(\

z+=1;

} else

printf(\

break;

case 2:

printf(\ scanf(\ if(res==jian(i,j)) {

printf(\ z+=1;

} else

printf(\

break;

case 3:

printf(\ scanf(\ if(res==cheng(i,j)) {

printf(\