제출 #473119

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
473119		SaraMostafa	Košnja (COCI17_kosnja)	C++14	50 / 50	15 ms	588 KiB

kosnja

#include <bits/stdc++.h>
#include<unordered_map>
using namespace std;
#define ll long long
#define endl "\n"
#define Sara ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
const long long mod=1e9+7;
const double PI=acos(-1);
// 1 2 3 --> 1,2,3 ...1,2..1,3..1..2,3..2..3..none (2 power number of elements)
//1 2 3 --> 2--> 1,2..1,3..2,3..(!n/(r!(n-r)!)) aka:ncr
// 1 2 3 -->2-->1,2..2,1..1,3..3,1..2,3..3,2..(n!/(n-r)!) aka:npr
//1 2 3--> 1..1,2..1,2,3..2..2,3..3  number of subarrays -->(n*(n+1))/2 "sum of numbers from 1 to n."
/*
ll power(ll x,ll y)
{
    if(y==0)
        return 1;
    else if(y==1)
        return x%mod;
    ll  r=power(x%mod,((y%mod)/2)%mod);
    if(y%2==0)
        return ((r%mod)*(r%mod));
    else
        return ((r%mod)*(r%mod)*(x%mod));
}

ll inverse(ll md,ll x)
{
    return power(x%mod,mod-2);
}

*/
int main()
{
    //freopen("input.in","r",stdin);

    Sara

    int k;
    cin>>k;
    for(int i=0;i<k;i++){
        ll n,m;
        cin>>n>>m;
        ll r=0,c=0;
        if(n==1 || m==1) cout<<0<<endl;
        else{
            r=n-2;
            r=2*r;
            r+=2;
            c=m-2;
            c=2*c;
            c+=2;
            cout<<min(c,r)<<endl;

        }
    }
    return 0;
}

• Subtask 1: 50 / 50