H5RoBh - Online C++ Compiler & Debugging Tool

#include <bits/stdc++.h>
using namespace std;


int a,b,c,d;
void init(){
	cin>>a>>b>>c>>d;


}
void solve(){
    int min=a;
    int mintong= a+b;
    int min2=mintong - min;
    if(b<min){
        min=b;
        if(c<min){
            min=c;
        }
        if(d<min){
            min=d;

        }
    }
    if(a+c<mintong){
        mintong=a+c;
        if(a+d<mintong){
            mintong=a+d;
        }
        if(b+c<mintong){
            mintong=b+c;
        }
        if(b+d<mintong){
            mintong=b+d;
        }
        if(c+d<mintong){
            mintong=c+d;
        }

    }
    cout<<min2;


}

int main() {
	init();
	solve();
	return 0;
}