A + B

#include <stdio.h>
#include <cstdlib>
#include <iostream>
 
int main(){
 
	//get input
 
	char input[16];
 
	std::cin >> input;
 
	//find the blank space and the end of input
 
	int k = 0;
	int m = 0;
 
	while (input[k] != ' '){ 
		k++;
		//index of the blank space
	}
 
	while (input[m] != '\0'){
		m++;
		//index of the last digit 
	}
 
	//seperate input into 2 parts
 
	char a [k];
	char b [m-k-1];
 
	for (int i=0; i<k ; i++){
		a[i]= input[i];
	}
 
	for (int j=0; j<m-k-1 ; j++){
		b[j]= input[j+k+1];
	}
 
	//turn char array to int (use atoi)
 
	int no_a = atoi(a);
	int no_b = atoi(b);
 
	//add them up and print
 
	printf("%d" , no_a + no_b);
 
 
}
 
/*
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
 
- 5 7 8 9   8 1 2 3 4  5
          k               m  
 
k=5
m=12
 
a= input[ 0 ~ k-1]
b= input[ k+1 ~ m-1]
 
size a = k
size b = m-k-1
*/
 
 
 
 
 
 
 
 
 
 
 
 

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER