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Submission #264643

# Submission time Handle Problem Language Result Execution time Memory
264643 2020-08-14T08:10:02 Z Atalasion Sterilizing Spray (JOI15_sterilizing) C++14
10 / 100
 131 ms 2940 KB 
//khodaya khodet komak kon
#include <bits/stdc++.h>

#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#define int long long

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

const int N = 100000 + 10;
const ll MOD = 1000000000 + 7;
const ll INF = 1000000010;
const ll LOG = 25;
const int SQ = 320;

vector<int> buc[N / SQ + 10];
int n, k, q, a[N];
ll sm[N];

inline void relax(int id){
	int l = id * SQ, r = min(n, (id + 1) * SQ);
	sm[id] = 0;
	buc[id].clear();
	for (int i = l; i < r; i++){
		if (a[i]) sm[id] += a[i], buc[id].pb(i);
	}
	return;
}

inline void Ch(int l, int r){
	if (k == 1) return;
	while (l < r){
		if (l % SQ == 0 && l + SQ <= r){
			vi qq;
			for (auto u:buc[l / SQ]){
				sm[l / SQ] -= a[u];
				a[u] = a[u] / k;
				sm[l / SQ] += a[u];
				if (a[u]) qq.pb(u);
			}
			buc[l / SQ].clear();
			buc[l / SQ].swap(qq);
			l += SQ;	
		}else{
			a[l] /= k;
			l++;
		}
	}
	relax(l / SQ);
	relax((r - 1) / SQ);
	return;
}

ll Sum(int l, int r){
	ll res = 0;
	while (l < r){
		if (l % SQ == 0 && l + SQ <= r){
			res += sm[l / SQ];
			l += SQ;
		}else res += a[l], l++;
	}
	return res;
}

int32_t main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> q >> k;
	for (int i = 0; i < n; i++) cin >> a[i];
	for (int i = 0; i < n; i++){
		if (a[i]) buc[i / SQ].pb(i);
		sm[i / SQ] += a[i];
	}
	for (int i = 1; i <= q; i++){
		int x, l, r;
		cin >> x >> l >> r;
		l--;
		if (x == 1){
			a[l] = r;
			relax(l / SQ);
		}else if(x == 2){
			Ch(l, r);
		}else cout << Sum(l, r) << '\n';
	}









	return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 1788 KB Output is correct
2 Correct 83 ms 1400 KB Output is correct
3 Correct 61 ms 2168 KB Output is correct
4 Correct 77 ms 2808 KB Output is correct
5 Correct 104 ms 2936 KB Output is correct
6 Correct 101 ms 2940 KB Output is correct
7 Correct 97 ms 2892 KB Output is correct
8 Correct 104 ms 2940 KB Output is correct
9 Correct 116 ms 2940 KB Output is correct
10 Correct 111 ms 2936 KB Output is correct
11 Correct 114 ms 2936 KB Output is correct
12 Correct 120 ms 2936 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 50 ms 512 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 131 ms 1408 KB Output isn't correct
2 Halted 0 ms 0 KB -