求救大佬,我是大一萌新,Dev提出来的问题我解决不了了,谢谢各位
13 4 C:\Users\联想\Desktop\c++\main19.c [Error] 'else' without a previous 'if'#include<stdio.h>
int main()
{
int a,b,c;
scanf("%d",&a);
scanf("%d",&b);
scanf("%d",&c);
if(a+b>c&&a+c>b&&b+c>a);
{if(a==b||b==c||a==c);
{if(a==b&&a==c&&b==c) printf("equilateral triangle.\n");
else printf("isoceles triangle.\n");}
else printf("triangle.\n");}
else printf("non-triangle.\n");0
return 0;
}