c语言一个问题...求解决

Question

问题是 三个人放炮，间隔时间分别为ABC 每人放D个，求能听见的响声...哪里错了...小白求大神指点
#include <stdio.h>
int Fun (int x,int y,int z);
int main ( )
{
int A,B,C,D,t,i,n;
int tab,tbc,tac,tabc;
printf("请输入ABCD的值");
scanf("%d%d%d%d",&A,&B,&C,&D);
tab = Fun (A,B,D);
tbc = Fun (B,C,D);
tac = Fun (A,C,D);
for(i = 1;i <= D;i++)
{
t = C * i;
if(t = tab)
break;
}
if(i>D)
tabc = tab * C;
else
tabc = t;
n = D * 3 - (D * A) / tab - (D * B) / tbc - (D * C) / tac + D / tabc;
printf("能听见的响声为%d",n);
return 0;
}
Fun (int x,int y,int z)
{
int i,I,result,t1,t2;
for (i = 1;i <= z;i++)
{
t1 = x * i;
for(I = 1;1;I++)
{
t2 = y*I;
if(t2 == t1)
break;
if(I > z)
continue;
}
}
if(i > z)
result = x * y;
else
result = t1;
return result;
}

Answer 1

if(t = tab)这个地方改为 if(t == tab)，注意=与==的区别