小学生数学测试软件的编写

#include

#include

#include

main(){

intn,m,k,s,t,tmp,sum=10,i,dui=0,cuo=0;

printf(------------------------------\n);

printf(pleasechooseonetype:\n);

printf(1:+\n);

printf(2:-\n);

printf(3:*\n);

printf(>);

scanf(%d,&n);

printf(------------------------------\n);

printf(howmanysubjecttodo:\n);

printf(>);

scanf(%d,&sum);

printf(------------------------------\n);

for(i=1;i<=sum;i++){

m=rand();

m=(int)(10.0*rand()/(RAND_MAX+1.0));

k=rand();

k=(int)(10.0*rand()/(RAND_MAX+1.0));

switch(n){

case1:

printf(%d+%d=,m,k);

scanf(%d,&s);

t=m+k;

if(t==s){

printf(yourresultistrue!\n);

dui++;

}else{

printf(yourresultisfalse!\n);

printf(correctresultis:%d\n,t);

cuo++;

}

break;

case2:

if(m<k){

tmp=m;

m=k;

k=tmp;

}

printf(%d-%d=,m,k);

scanf(%d,&s);

t=m-k;

if(t==s){

printf(yourresultistrue!\n);

dui++;

}else{

printf(yourresultisfalse!\n);

printf(correctresultis:%d\n,t);

cuo++;

}

break;

case3:

printf(%d*%d=,m,k);

scanf(%d,&s);

t=m*k;

if(t==s){

printf(yourresultistrue!\n);

dui++;

}else{

printf(yourresultisfalse!\n);

printf(correctresultis:%d\n,t);

cuo++;

}

break;

default:

printf(choosecorrecttype!);

break;

}

}

printf(------------------------------\n);

printf(result:true(%d),false(%d)\n,dui,cuo);

}