Submission #7021315

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Source Code Expand

#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
    int a,b;
    cin>>a>>b;
    cout<<(ceil((double)a/(double)b)*b)-a;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:36: error: ‘ceil’ was not declared in this scope
     cout<<(ceil((double)a/(double)b)*b)-a;
                                    ^