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#include <stdio.h>
 
int main(void) {
	// your code goes here
/* giai phuong trinh bac nhat */
Int a, b;
Scanf("%d %d",&a, &b);
If(a==0)
{  
   If (b==0) printf(" phuong trinh vo so nghiem");
    Else printf(" phuong trinh vo nghiem");
 Else 
Printf("phuong trinh co nghiem %f",1.0*-b/a);
}
	return 0;
}
 

prog.c: In function ‘main’:
prog.c:6:1: error: unknown type name ‘Int’
 Int a, b;
 ^~~
prog.c:7:1: warning: implicit declaration of function ‘Scanf’ [-Wimplicit-function-declaration]
 Scanf("%d %d",&a, &b);
 ^~~~~
prog.c:8:1: warning: implicit declaration of function ‘If’ [-Wimplicit-function-declaration]
 If(a==0)
 ^~
prog.c:9:1: error: expected ‘;’ before ‘{’ token
 {
 ^

Standard output is empty