답안 #648315

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
648315 2022-10-06T01:33:17 Z ghostwriter Sterilizing Spray (JOI15_sterilizing) C++14
10 / 100
79 ms 5376 KB
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#else
#define debug(...)
#endif
#define ft front
#define bk back
#define st first
#define nd second
#define ins insert
#define ers erase
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define bg begin
#define ed end
#define all(x) (x).bg(), (x).ed()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define FRN(i, n) for (int (i) = 0; (i) < (n); ++(i))
#define FSN(i, n) for (int (i) = (n) - 1; (i) >= 0; --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
----------------------------------------------------------------
    END OF TEMPLATE
----------------------------------------------------------------
    Tran The Bao - ghostwriter
    Training for VOI23 gold medal
----------------------------------------------------------------
    DIT ME CHUYEN BAO LOC
----------------------------------------------------------------
*/
const int N = 1e5 + 1;
int n, q, k, c[N];
ll f[N];
multiset<int> s;
void upd(int pos, int v) { for (int i = pos; i <= n; i += (i & -i)) f[i] += v; }
ll get(int pos) { int rs = 0; for (int i = pos; i > 0; i -= (i & -i)) rs += f[i]; return rs; }
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    cin >> n >> q >> k;
    FOR(i, 1, n) {
    	cin >> c[i];
    	if (c[i]) {
    		upd(i, c[i]);
    		s.ins(i);
    	}
    }
    WHILE(q--) {
    	int s1, t, u;
    	cin >> s1 >> t >> u;
    	if (s1 == 1) {
    		if (c[t]) {
    			upd(t, -c[t]);
    			s.ers(t);
    		}
    		c[t] = u;
    		if (c[t]) {
    			upd(t, c[t]);
    			s.ins(t);
    		}
    		continue;
    	}
    	if (s1 == 2) {
    		if (k == 1 || s.empty() || *--s.ed() < t || *s.bg() > u) continue;
    		auto cur = s.lb(t);
    		vi a;
    		WHILE(cur != s.ed() && *cur <= u) {
    			upd(*cur, -c[*cur]);
    			c[*cur] /= k;
    			if (!c[*cur]) a.pb(*cur);
    			else upd(*cur, c[*cur]);
    			++cur;
    		}
    		EACH(i, a) s.ers(i);
    		continue;
    	}
    	cout << get(u) - get(t - 1) << '\n';
    }
    return 0;
}
/*
5 10 3
1
2
8
1
3
1 2 5
2 3 5
3 2 5
2 1 4
1 3 2
3 3 5
1 2 4
2 1 2
1 1 4
3 1 5
----------------------------------------------------------------
From Benq:
    stuff you should look for
        * int overflow, array bounds
        * special cases (n=1?)
        * do smth instead of nothing and stay organized
        * WRITE STUFF DOWN
        * DON'T GET STUCK ON ONE APPROACH
----------------------------------------------------------------
*/

Compilation message

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:32:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
sterilizing.cpp:62:5: note: in expansion of macro 'FOR'
   62 |     FOR(i, 1, n) {
      |     ^~~
sterilizing.cpp:36:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   36 | #define EACH(i, x) for (auto &(i) : (x))
      |                               ^
sterilizing.cpp:95:7: note: in expansion of macro 'EACH'
   95 |       EACH(i, a) s.ers(i);
      |       ^~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 60 ms 5376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 988 KB Output is correct
2 Correct 16 ms 2252 KB Output is correct
3 Correct 20 ms 2252 KB Output is correct
4 Correct 37 ms 2488 KB Output is correct
5 Correct 56 ms 5328 KB Output is correct
6 Correct 65 ms 5324 KB Output is correct
7 Correct 62 ms 5324 KB Output is correct
8 Correct 61 ms 5296 KB Output is correct
9 Correct 52 ms 5268 KB Output is correct
10 Correct 62 ms 5224 KB Output is correct
11 Correct 52 ms 5256 KB Output is correct
12 Correct 56 ms 5244 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 79 ms 5068 KB Output isn't correct
2 Halted 0 ms 0 KB -