Submission #538597

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
538597	2022-03-17 08:03:42	hohohaha	Street Lamps (APIO19_street_lamps)	C++14	100 / 100	3955 ms	231784 KiB

street_lamps

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#include<bits/stdc++.h>
using namespace std;
#define fori(i, l, r) for(int i = (int) (l); i <= (int) (r); i++) 
#define ford(i, r, l) for(int i = (int) (r); i >= (int) (l); i--) 
#define ii pair<int, int> 
#define fi first
#define se second
#define vi vector<int> 
#define eb emplace_back
#define em emplace
#define sp ' '
#define endl '\n'
//#define int long long
 
const int maxn = 5e5 + 5; 
int n, q; 
char c[maxn]; 
string tp[maxn];
int id[maxn]; 
bool state[maxn];   
int ans[maxn]; 
struct it { 
  vi mn, mx; // min, max of off ones
  it (int len= 1) {
    mn = vi(4 * len + 5, n); 
    mx = vi(4 * len + 5, 0); 
    build(1, 1, len); 
  }
  void build(int u, int l, int r) { 
    if(l == r) mn[u] = mx[u] = l; 
 
 
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Compilation message (stderr)

street_lamps.cpp: In member function 'void it::build(int, int, int)':
street_lamps.cpp:32:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |    int mid = l + r >> 1;
      |              ~~^~~
street_lamps.cpp: In member function 'void it::sett(int, int, int, int, bool)':
street_lamps.cpp:46:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   46 |    int mid = l + r >> 1;
      |              ~~^~~
street_lamps.cpp: In member function 'int it::get_min(int, int, int, int, int)':
street_lamps.cpp:57:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   57 |   int mid = l + r >> 1;
      |             ~~^~~
street_lamps.cpp: In member function 'int it::get_max(int, int, int, int, int)':
street_lamps.cpp:63:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   63 |   int mid = l + r >> 1;
      |             ~~^~~
street_lamps.cpp: In member function 'void bit::add(int, int, int)':
street_lamps.cpp:82:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |   for(int i = x; i < sum.size(); i += i & -i) {
      |                  ~~^~~~~~~~~~~~
street_lamps.cpp: In member function 'void bit::real_add(int, int, int)':
street_lamps.cpp:94:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |   for(int i = x; i < sum.size(); i += i &-i) {
      |                  ~~^~~~~~~~~~~~
street_lamps.cpp: In member function 'int bit::real_get(int, int)':
street_lamps.cpp:104:85: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  104 |    for(int j = lower_bound(begin(vals[i]), end(vals[i]), y) - begin(vals[i]) + 1; j < sum[i].size(); j += j & -j) {
      |                                                                                   ~~^~~~~~~~~~~~~~~

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