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#include <iostream>
using namespace std;
 
int add(int a, int b){
	return a+b;
}
 
float add(float a, float b){
	return a+b;
}
 
int add(int a, float b){
	return a+b;
}
 
float add(int a, int b){
	return a+b;
}
 
 
int main() {
	v=add(1,6);
	z=add(1.3,7);
	c=add(1.1,4.5);
 
	cout <<v<<","<< z << "," << c <<endl;
	return 0;
}

prog.cpp:16:7: error: ambiguating new declaration of ‘float add(int, int)’
 float add(int a, int b){
       ^~~
prog.cpp:4:5: note: old declaration ‘int add(int, int)’
 int add(int a, int b){
     ^~~
prog.cpp: In function ‘int main()’:
prog.cpp:22:2: error: ‘v’ was not declared in this scope
  v=add(1,6);
  ^
prog.cpp:23:2: error: ‘z’ was not declared in this scope
  z=add(1.3,7);
  ^
prog.cpp:24:2: error: ‘c’ was not declared in this scope
  c=add(1.1,4.5);
  ^
prog.cpp:24:15: error: call of overloaded ‘add(double, double)’ is ambiguous
  c=add(1.1,4.5);
               ^
prog.cpp:4:5: note: candidate: ‘int add(int, int)’
 int add(int a, int b){
     ^~~
prog.cpp:8:7: note: candidate: ‘float add(float, float)’
 float add(float a, float b){
       ^~~
prog.cpp:12:5: note: candidate: ‘int add(int, float)’
 int add(int a, float b){
     ^~~

Standard output is empty