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#include<stdio.h>
 
int main() {
int base, height;
float area;
 
printf("\nEnter the base of Right Angle Triangle : ");
scanf("%d", &base);
 
printf("\nEnter the height of Right Angle Triangle : ");
scanf("%d", &height);
 
area = 0.5 * base * height;
rintf("\nArea of Right Angle Triangle : %f", area);
 
return (0);
}

prog.c: In function ‘main’:
prog.c:14:1: warning: implicit declaration of function ‘rintf’ [-Wimplicit-function-declaration]
 rintf("\nArea of Right Angle Triangle : %f", area);
 ^~~~~
prog.c:14:1: warning: incompatible implicit declaration of built-in function ‘rintf’
prog.c:14:1: note: include ‘<math.h>’ or provide a declaration of ‘rintf’
prog.c:14:7: error: incompatible type for argument 1 of ‘rintf’
 rintf("\nArea of Right Angle Triangle : %f", area);
       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:14:7: note: expected ‘float’ but argument is of type ‘char *’
prog.c:14:1: error: too many arguments to function ‘rintf’
 rintf("\nArea of Right Angle Triangle : %f", area);
 ^~~~~

Standard output is empty