Submission #201514

#	Time	Username	Problem	Language	Result	Execution time	Memory
201514		awlintqaa	Savrsen (COCI17_savrsen)	C++14	120 / 120	1407 ms	39544 KiB

savrsen

#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf=1e18;
const ld pai=acos(-1);
int l,r;
int sum[10000009];
int main(){
        cin>>l>>r;
        for(int i=1;i<=1e7;i++){
                for(int j=i*2;j<=1e7;j+=i){
                        sum[j]+=i;
                }
        }
        ll ans=0;
        for(int i=l;i<=r;i++){
                ans+=abs(i-sum[i]);
        }
        cout<<ans<<endl;
}

• Subtask 1: 120 / 120