Submission #124678

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
124678	2019-07-03 17:14:48	EntityIT	Street Lamps (APIO19_street_lamps)	C++14	100 / 100	3532 ms	135828 KiB

street_lamps

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/*
check long long - int
check N
*/
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
const int N = (int)3e5 + 5, Q = N;
int n, q;
string initSate;
struct Query {
    int t, a, b;
    Query (int _t = 0, int _a = 0, int _b = 0) : t(_t), a(_a), b(_b) {}
} query[Q];
struct Bit {
    static const int LOG = __lg(N) + 1;
    int a[1 << LOG];
    void init () { memset(a, 0, sizeof a); }
    void update (int pos, int val) {
        for (; pos < (1 << LOG); pos += pos & -pos) a[pos] += val;
    }
    int get (int pos) {
        int ret = 0;
        for (; pos > 0; pos -= pos & -pos) ret += a[pos];
        return ret;
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20