Submission #210691

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
210691	2020-03-18 02:51:01	super_j6	Railway (BOI17_railway)	C++14	100 / 100	287 ms	20592 KiB

railway

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#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
#include <vector>
#include <set>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
#define f first
#define s second
const int maxn = 100001;
struct BIT{
  int bit[maxn];
  
  BIT(){
    memset(bit, 0, sizeof(bit));
  }
  
  void add(int x, int v){
    for(x++; x < maxn; x += x & -x) bit[x] += v;
  }
  
  int qry(int x){
    int ret = 0;
    for(x++; x; x -= x & -x) ret += bit[x];
    return ret;
  }
 
 
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Compilation message (stderr)

railway.cpp: In function 'int main()':
railway.cpp:136:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 1; i < ans.size(); i++) cout << " " << ans[i];
                 ~~^~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25