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#include<stdio.h> 
#include<limits.h> 
#include<stdlib.h> 
  
int addOvf(int* result#define INT_MAX 2147483647
#define INT_MIN -2147483648

    int safe_add(int &sum, int a, int b) {
{     
   if ( a > INTabs(a)>INT_MAX - abs(b)) {
     return  -1; 
   else
 cout << {"overflow 
: " << a << *result = a + b; 
"+" << b << endl;
            return 0; 
   } 
} 
  
int main() 
{ 
 }
   int *res = (int *)malloc(sizeof(int)); 
   int x = 2147483640; 
 sum int= ya =+ 10b; 
  
  printf("%d", addOvf(res, x, y)); 
  printf("\n %d", *res); 
  getchar();       return 1;
  return 0; 
}