Submission #26554

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
26554	2017-07-03 02:01:57	model_code	Bulldozer (JOI17_bulldozer)	C++11	100 / 100	539 ms	50068 KiB

bulldozer

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#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
typedef long long ll;
const int MAX_N = 4002;
const int seg_siz = 1<<13;
const ll INF = 10000000000000;
struct SEG{
  ll s[seg_siz],t[seg_siz],u[seg_siz];
  int siz = seg_siz>>1;
  void init(){
    for(int i = 0 ; i < siz*2-1 ; i ++){
      s[i] = -INF;
      t[i] = INF;
      u[i] = 0;
    }
  }
  void update(int k,ll x){
    k += siz-1;
    s[k] = x;
    t[k] = x;
    while(k > 0){
      k = (k-1)/2;
      s[k] = max(s[2*k+1],s[2*k+2]);
      t[k] = min(t[2*k+1],t[2*k+2]);
      u[k] = max(u[2*k+1],u[2*k+2]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:86:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0 ; i < Swap.size() ; i ++){
                  ~~^~~~~~~~~~~~~
bulldozer.cpp:92:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(i == Swap.size()-1){
      ~~^~~~~~~~~~~~~~~~
bulldozer.cpp:39:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
bulldozer.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld",&x[i],&y[i],&w[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 20 / 20
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20