Submission #147781

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
147781	2019-08-30 16:05:50	Bodo171	Remittance (JOI19_remittance)	C++14	100 / 100	349 ms	36420 KiB

remittance

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#include <iostream>
using namespace std;
const int nmax=1000*1000+5;
long long a[nmax],b[nmax];
long long sumA,sumB;
int n,i;
int main()
{
    ios_base::sync_with_stdio(false);
    cin>>n;
    for(i=0;i<n;i++)
    {
        cin>>a[i]>>b[i];
        sumA+=a[i];sumB+=b[i];
    }
    if(!sumB)
    {
        if(!sumA) cout<<"Yes";
        else cout<<"No";
        return 0;
    }
    for(bool change=1;change;)
    {
        change=0;
        for(i=0;i<n;i++)
            if(a[i]>b[i])
        {
            long long dif=(a[i]-b[i]+1)/2;
            a[i]-=2*dif;
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 40 / 40
• Subtask 3: 45 / 45