Submission #475052

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
4750522021-09-20 20:44:31hidden1Hacker (BOI15_hac)C++14
100 / 100
454 ms27792 KiB
#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#define endl "\n"
typedef long long ll;
template<class T, class T2> inline ostream &operator <<(ostream &out, const pair<T, T2> &x) { out << x.first << " " << x.second; return out;}
template<class T, class T2> inline istream &operator >>(istream &in, pair<T, T2> &x) { in >> x.first >> x.second; return in;}
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
#define debug(...) cout << "Line: " << __LINE__ << endl; \
prllDebug(", "#__VA_ARGS__, __VA_ARGS__)
template <typename T>
void prllDebug(const char* name, T&& arg1) { cout << (name + 2) << " = " << arg1 << endl; }
template <typename T, typename... T2>
void prllDebug(const char* names, T&& arg1, T2&&... args) {
const char* end = strchr(names + 1, ',');
cout.write(names + 2, end - names - 2) << " = " << arg1 << endl;
prllDebug(end, args...);
}
const ll MAX_N = 5e5 + 10;
ll arr[2 * MAX_N];
ll pref[2 * MAX_N];
ll n;
ll sum(ll l, ll r) {
if(l == 0) {
return -pref[r];
 
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