1023. The maximum number of questions

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Title Description

Enter the number of integers, the input to mark the end of -1. Maximum output of which

Enter the
number of integers. (Marker input end in -1)

Output
largest number of them

Sample input
1257861-6-1

Sample output
8

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c;
    c=INT_MIN;
    while(cin>>a>>b) 
    {
        if(a==-1||b==-1)
        break;
        c=max(a,c);
        c=max(b,c);
    }
    cout<<c;
    return 0;
}