Submission #699142

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
699142	2023-02-15 19:11:44	puppy	Street Lamps (APIO19_street_lamps)	C++17	100 / 100	4876 ms	124880 KiB

street_lamps

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#pragma GCC optimize("O3")
#include <iostream>
#include <set>
#include <vector>
#include <algorithm>
using namespace std;
using pii = pair<int, int>;
int ans[300005];
bool last[300005];
struct State
{
    bool type; //0:update, 1:query
    int i, a, b;
};
int N, Q;
State state[300005];
bool cur[300005];
set<pii> st;
const int sz = 1 << 19;
int tree[1<<19];
void upd(int id, int v)
{
    for (int i = id; i < sz; i += i&-i) {
        tree[i] += v;
    }
}
int query(int id)
{
    int ret = 0;
    for (int i = id; i; i -= i&-i) {
 
 
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Compilation message (stderr)

street_lamps.cpp: In function 'void dnc(int, int)':
street_lamps.cpp:86:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   86 |     int m = s + e >> 1;
      |             ~~^~~

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