Submission #157172

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
157172	2019-10-10 00:14:46	easrui	Employment (JOI16_employment)	C++14	100 / 100	355 ms	11912 KiB

employment

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#include <bits/stdc++.h>
#define va first
#define vb second
using namespace std;
typedef pair<int,int> pii;
const int MN = 2e5+5;
int A[MN],G[MN],T[4*MN],N,M,S;
vector<int> V;
pii Q[MN];
void upt(int s, int e, int x, int y, int val, int pos)
{
    //if(s==0 && e==S) cout << x << ' ' << y << ' ' << val << '\n';
    if(e<x || y<s) return;
    if(x<=s && e<=y){
        T[pos] += val;
        return;
    }
    int m = (s+e)/2;
    upt(s,m,x,y,val,2*pos);
    upt(m+1,e,x,y,val,2*pos+1);
}
int act(int s, int e, int x, int pos)
{
    if(x<s || e<x) return 0;
    if(s==e) return T[pos];
    int m = (s+e)/2;
    return T[pos]+act(s,m,x,2*pos)+act(m+1,e,x,2*pos+1);
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 30 / 30
• Subtask 3: 60 / 60