Submission #51540

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
51540	2018-06-18 08:27:08	moonrabbit2	허수아비 (JOI14_scarecrows)	C++17	100 / 100	2832 ms	98140 KiB

scarecrows

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#include <bits/stdc++.h>
#define N 200005
#define INF 1000000005
#define x first
#define y second
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
struct fenwick
{
    vector<int>tree;
    fenwick(int sz){tree.resize(sz+5);}
    void add(int k){
        for(;k<=tree.size();k+=k&-k)
            tree[k]++;
    }
    int sum(int k){
        int res=0;
        for(;k;k-=k&-k)
            res+=tree[k];
        return res;
    }
};
ll ans;
int n;P a[N];
void dnc(int s,int e)
{
    if(e==s)
        return;
    int m=(s+e)/2;
 
 
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Compilation message (stderr)

scarecrows.cpp: In member function 'void fenwick::add(int)':
scarecrows.cpp:14:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(;k<=tree.size();k+=k&-k)
              ~^~~~~~~~~~~~~
scarecrows.cpp: In function 'void dnc(int, int)':
scarecrows.cpp:50:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<l.size();i++){
                 ~^~~~~~~~~
scarecrows.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<r.size();i++){
                 ~^~~~~~~~~
scarecrows.cpp:62:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<l.size();i++){
                 ~^~~~~~~~~
scarecrows.cpp:63:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(c<r.size()&&r[c].x<=l[i].x)
               ~^~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 85 / 85