Submission #157519

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
157519	2019-10-12 07:06:33	combi1k1	Construction of Highway (JOI18_construction)	C++14	100 / 100	1247 ms	17280 KiB

construction

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#include<bits/stdc++.h>
using namespace std;
#define X       first
#define Y       second
#define ll      long long
#define pb      push_back
#define lch     i << 1
#define rch     i << 1 | 1
#define all(x)  x.begin(),x.end()
const int   N   = 1e5 + 1;
typedef pair<int,int>   ii;
namespace   _IT {
    int t[N << 2];
    int add(int x,int y)    {
        return  x == y ? x : 0;
    }
    int upd(int i,int l,int r,int L,int R,int v)    {
        if (l >  R || L >  r)   return  0;
        if (L <= l && r <= R)   {
            t[i] = v;
            return  1;
        }
        int m = (l + r) / 2;
        upd(lch,l,m,L,R,v); ++m;
 
 
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Compilation message (stderr)

construction.cpp: In function 'int _IT::upd(int, int, int, int, int, int)':
construction.cpp:33:5: warning: control reaches end of non-void function [-Wreturn-type]
     }
     ^

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 84 / 84