Submission #35610790

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Source Code Expand

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

int T; ll a,b,ans;
void solve();

int main()
{
    scanf("%d",&T);
    while(T--)
    {
        scanf("%lld%lld",&a,&b);
        solve();
        printf("%lld\n",ans);
    }
}

void solve()
{
    ans=0x3f3f3f3f;
    ll m=b-1,l=1,r=1;
    while(r<=m)
    {
        r=m/(m/l); ll k=l;
        ll q=m/l;
        ans=min(ans,k*a+(k+1ll)*max(0ll,q-a+1ll)-b);
        l=r+1; r=l;
    }
    ll k=m+1,q=0;
    ans=min(ans,k*a+(k+1ll)*max(0ll,q-a+1ll)-b);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   10 |     scanf("%d",&T);
      |     ~~~~~^~~~~~~~~
./Main.cpp:13:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   13 |         scanf("%lld%lld",&a,&b);
      |         ~~~~~^~~~~~~~~~~~~~~~~~

Judge Result