Submission #130924

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
130924	2019-07-16 09:07:28	rondojim	Werewolf (IOI18_werewolf)	C++17	34 / 100	1572 ms	34932 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
 
using namespace std;
 
const int INF = 1e8;
 
struct segTree {
  int N; vector<int> lows,highs;
  segTree(int N): N(N), lows(2*N,INF), highs(2*N,-1) {}
  pair<int,int> find(int a, int b) {
    a += N; b += N;
    if (a > b) swap(a,b);
    int low = INF, high = -1;
    while (a <= b) {
      if (a%2 == 1) {
        low = min(low,lows[a]);
        high = max(high,highs[a]);
        a++;
      }
      if (b%2 == 0) {
        low = min(low,lows[b]);
        high = max(high,highs[b]);
        b--;
      }
      a /= 2; b /= 2;
    }
    return make_pair(low,high);
  }
  void upd(int i, int x) {
 
 
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Compilation message (stderr)

werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:54:7: warning: unused variable 'j' [-Wunused-variable]
   int j = 0; 
       ^
werewolf.cpp:51:7: warning: 'end' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int end;
       ^~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 8
• Subtask 3: 34 / 34
• Subtask 4: 0 / 51