oj.uz

Submission #236930

# Submission time Handle Problem Language Result Execution time Memory
236930 2020-06-04T01:35:01 Z wwdd Fire (JOI20_ho_t5) C++14
100 / 100
 617 ms 36364 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> ii;
typedef pair<int,ii> bro;
class LE {
	private:
		vi nx,pr,se;
		int n;
	public:
		LE() {
		}
		LE(int sz) {
			n = sz;
			nx.assign(n,0);
			pr.assign(n,0);
			se.assign(n,1);
			for(int i=0;i<n;i++) {
				if(i > 0) {
					pr[i] = i-1;
				}
				if(i < n-1) {
					nx[i] = i+1;
				}
			}
			nx[n-1] = pr[0] = -1;
		}
		int nex(int u) {
			return nx[u];
		}
		int pre(int u) {
			return pr[u];
		}
		int rem(int u) {
			//cout << "e " << u << '\n';
			int res = pr[u];
			//cout << pr[u] << " -> " << nx[u] << '\n';
			if(pr[u] != -1) {
				nx[pr[u]] = nx[u];
			}
			if(nx[u] != -1) {
				pr[nx[u]] = pr[u];
			}
			nx[u] = pr[u] = -1;
			se[u] = 0;
			return res;
		}
		int has(int u) {
			return se[u];
		}
};
class ST {
	private:
		vl st;
		int n,h;
	public:
		ST() {
		}
		ST(int sz) {
			n = 1;
			h = 1;
			while(n < sz) {n<<=1;h++;}
			st.assign(2*n,0);
		}
		void up(int p, ll val) {
			p += n;
			st[p] += val;
			while(p > 1) {
				st[p>>1] = st[p]+st[p^1];
				p >>= 1;
			}
		}
		ll get(int l, int r) {
			ll res = 0;
			for(l+=n,r+=n;l<r;l>>=1,r>>=1) {
				if(l&1) {
					res += st[l];
					l++;
				}
				if(r&1) {
					--r;
					res += st[r];
				}
			}
			return res;
		}
		ll kth(ll num) {
			ll p = 1;
			for(int i=1;i<h;i++) {
				p <<= 1;
				if(st[p] < num) {
					num -= st[p];
					p++;
				}
			}
			return p-n;
		}
};
LE les,leg;
ST sa,sb;
vl w,fr;
vi act,mo;
vector<ii> so;
bool proc(ii& seg) {
	if(seg.second == seg.first) {return false;}
	int ra = seg.first, rb = seg.second;
	sa.up(ra,1);
	sb.up(ra,w[ra]);
	fr[ra]++;
	sa.up(rb,-1);
	sb.up(rb,-w[rb]);
	fr[rb]--;
	if(fr[rb] == 0) {
		seg.second = les.rem(rb);
	}
	return true;
}
void merge() {
	vi nu;
	for(int i=0;i<mo.size();i++) {
		if(!leg.has(mo[i])) {continue;}
		int id = mo[i];
		int re = so[id].second;
		int reg = leg.nex(id);
		while(reg != -1 && w[reg] <= w[re]) {
			leg.rem(reg);
			so[id].second = so[reg].second;
			reg = leg.nex(id);
			re = so[id].second;
		}
		if(so[id].second != so[id].first) {
			act.push_back(id);
		}
	}
	mo.clear();
}
void succ() {
	vi nu;
	for(int i=0;i<act.size();i++) {
		int u = act[i];
		if(!leg.has(u)) {continue;}
		proc(so[u]);
		int nt = leg.nex(u);
		if(w[so[u].second] >= w[nt]) {
			mo.push_back(u);
		} else if(so[u].first != so[u].second) {
			nu.push_back(u);
		}
	}
	act = nu;
}
ll ksu(int p) {
	if(p == 0) {return 0;}
	int num = sa.kth(p);
	ll res = sb.get(0,num);
	ll re = p-sa.get(0,num);
	res += w[num]*re;
	return res;
}
const int MN = 200200;
vector<bro> qv[MN];
int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	int n,q;
	cin >> n >> q;
	les = LE(n);
	leg = LE(n);
	sa = ST(n);
	sb = ST(n);
	fr.assign(n,1);
	for(int i=0;i<n;i++) {
		ll t;
		cin >> t;
		w.push_back(t);
		so.push_back({i,i});
		mo.push_back(i);
		sa.up(i,1);
		sb.up(i,w[i]);
	}
	for(int i=0;i<q;i++) {
		int a,b,c;
		cin >> a >> b >> c;
		b--;
		qv[a].push_back({i,{b,c}});
	}
	vl res(q,0);
	merge();
	for(int i=0;i<=n;i++) {
		/*
		for(int j=0;j<n;j++) {
			int u = sa.kth(j+1);
			cout << w[u] << " ";
		}
		cout << '\n';
		*/
		for(int j=0;j<qv[i].size();j++) {
			int idx = qv[i][j].first;
			ii co = qv[i][j].second;
			res[idx] = ksu(co.second)-ksu(co.first);
		}
		succ();
		merge();
	}
	for(int i=0;i<q;i++) {
		cout << res[i] << '\n';
	}
}

Compilation message

ho_t5.cpp: In function 'void merge()':
ho_t5.cpp:122:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<mo.size();i++) {
              ~^~~~~~~~~~
ho_t5.cpp: In function 'void succ()':
ho_t5.cpp:141:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<act.size();i++) {
              ~^~~~~~~~~~~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:198:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<qv[i].size();j++) {
               ~^~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5120 KB Output is correct
2 Correct 7 ms 5120 KB Output is correct
3 Correct 8 ms 5248 KB Output is correct
4 Correct 7 ms 5120 KB Output is correct
5 Correct 7 ms 5120 KB Output is correct
6 Correct 7 ms 5120 KB Output is correct
7 Correct 7 ms 5120 KB Output is correct
8 Correct 7 ms 5120 KB Output is correct
9 Correct 8 ms 5120 KB Output is correct
10 Correct 8 ms 5120 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 7 ms 5120 KB Output is correct
13 Correct 7 ms 5120 KB Output is correct
14 Correct 8 ms 5120 KB Output is correct
15 Correct 7 ms 5120 KB Output is correct
16 Correct 7 ms 5120 KB Output is correct
17 Correct 8 ms 5120 KB Output is correct
18 Correct 7 ms 5120 KB Output is correct
19 Correct 7 ms 5120 KB Output is correct
20 Correct 8 ms 5120 KB Output is correct
21 Correct 7 ms 5120 KB Output is correct
22 Correct 8 ms 5120 KB Output is correct
23 Correct 8 ms 5120 KB Output is correct
24 Correct 7 ms 5120 KB Output is correct
25 Correct 7 ms 5120 KB Output is correct
26 Correct 8 ms 5120 KB Output is correct
27 Correct 7 ms 5120 KB Output is correct
28 Correct 7 ms 5120 KB Output is correct
29 Correct 8 ms 5120 KB Output is correct
30 Correct 8 ms 5120 KB Output is correct
31 Correct 7 ms 5120 KB Output is correct
32 Correct 8 ms 5120 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5120 KB Output is correct
2 Correct 473 ms 34904 KB Output is correct
3 Correct 479 ms 34756 KB Output is correct
4 Correct 495 ms 35492 KB Output is correct
5 Correct 481 ms 34668 KB Output is correct
6 Correct 479 ms 34596 KB Output is correct
7 Correct 483 ms 35748 KB Output is correct
8 Correct 501 ms 34856 KB Output is correct
9 Correct 472 ms 35632 KB Output is correct
10 Correct 475 ms 34404 KB Output is correct
11 Correct 505 ms 35620 KB Output is correct
12 Correct 459 ms 34468 KB Output is correct
13 Correct 502 ms 34624 KB Output is correct
14 Correct 492 ms 34596 KB Output is correct
15 Correct 508 ms 34724 KB Output is correct
16 Correct 529 ms 34612 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5120 KB Output is correct
2 Correct 564 ms 35764 KB Output is correct
3 Correct 505 ms 35116 KB Output is correct
4 Correct 546 ms 35880 KB Output is correct
5 Correct 509 ms 35108 KB Output is correct
6 Correct 550 ms 35368 KB Output is correct
7 Correct 539 ms 35752 KB Output is correct
8 Correct 560 ms 35308 KB Output is correct
9 Correct 558 ms 35112 KB Output is correct
10 Correct 549 ms 34984 KB Output is correct
11 Correct 557 ms 35752 KB Output is correct
12 Correct 547 ms 35624 KB Output is correct
13 Correct 554 ms 35624 KB Output is correct
14 Correct 538 ms 34956 KB Output is correct
15 Correct 579 ms 35624 KB Output is correct
16 Correct 606 ms 35240 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 374 ms 34688 KB Output is correct
2 Correct 369 ms 32936 KB Output is correct
3 Correct 405 ms 33320 KB Output is correct
4 Correct 369 ms 32936 KB Output is correct
5 Correct 384 ms 32936 KB Output is correct
6 Correct 365 ms 32936 KB Output is correct
7 Correct 368 ms 33192 KB Output is correct
8 Correct 375 ms 33048 KB Output is correct
9 Correct 356 ms 32936 KB Output is correct
10 Correct 358 ms 33064 KB Output is correct
11 Correct 379 ms 33064 KB Output is correct
12 Correct 355 ms 33112 KB Output is correct
13 Correct 352 ms 32932 KB Output is correct
14 Correct 355 ms 33064 KB Output is correct

Subtask #5
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5120 KB Output is correct
2 Correct 7 ms 5120 KB Output is correct
3 Correct 8 ms 5248 KB Output is correct
4 Correct 7 ms 5120 KB Output is correct
5 Correct 7 ms 5120 KB Output is correct
6 Correct 7 ms 5120 KB Output is correct
7 Correct 7 ms 5120 KB Output is correct
8 Correct 7 ms 5120 KB Output is correct
9 Correct 8 ms 5120 KB Output is correct
10 Correct 8 ms 5120 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 7 ms 5120 KB Output is correct
13 Correct 7 ms 5120 KB Output is correct
14 Correct 8 ms 5120 KB Output is correct
15 Correct 7 ms 5120 KB Output is correct
16 Correct 7 ms 5120 KB Output is correct
17 Correct 8 ms 5120 KB Output is correct
18 Correct 7 ms 5120 KB Output is correct
19 Correct 7 ms 5120 KB Output is correct
20 Correct 8 ms 5120 KB Output is correct
21 Correct 7 ms 5120 KB Output is correct
22 Correct 8 ms 5120 KB Output is correct
23 Correct 8 ms 5120 KB Output is correct
24 Correct 7 ms 5120 KB Output is correct
25 Correct 7 ms 5120 KB Output is correct
26 Correct 8 ms 5120 KB Output is correct
27 Correct 7 ms 5120 KB Output is correct
28 Correct 7 ms 5120 KB Output is correct
29 Correct 8 ms 5120 KB Output is correct
30 Correct 8 ms 5120 KB Output is correct
31 Correct 7 ms 5120 KB Output is correct
32 Correct 8 ms 5120 KB Output is correct
33 Correct 570 ms 35884 KB Output is correct
34 Correct 578 ms 36264 KB Output is correct
35 Correct 617 ms 36364 KB Output is correct
36 Correct 600 ms 36008 KB Output is correct
37 Correct 540 ms 35752 KB Output is correct
38 Correct 557 ms 35880 KB Output is correct
39 Correct 573 ms 35752 KB Output is correct
40 Correct 555 ms 35752 KB Output is correct
41 Correct 571 ms 36136 KB Output is correct
42 Correct 549 ms 35880 KB Output is correct
43 Correct 520 ms 35880 KB Output is correct
44 Correct 486 ms 35748 KB Output is correct
45 Correct 478 ms 34984 KB Output is correct
46 Correct 536 ms 35496 KB Output is correct
47 Correct 511 ms 34972 KB Output is correct
48 Correct 487 ms 34984 KB Output is correct
49 Correct 492 ms 34920 KB Output is correct
50 Correct 495 ms 35756 KB Output is correct
51 Correct 498 ms 35776 KB Output is correct
52 Correct 485 ms 35120 KB Output is correct
53 Correct 517 ms 35236 KB Output is correct
54 Correct 514 ms 34724 KB Output is correct
55 Correct 511 ms 34988 KB Output is correct
56 Correct 562 ms 34984 KB Output is correct
57 Correct 560 ms 34856 KB Output is correct
58 Correct 563 ms 35460 KB Output is correct
59 Correct 473 ms 34904 KB Output is correct
60 Correct 479 ms 34756 KB Output is correct
61 Correct 495 ms 35492 KB Output is correct
62 Correct 481 ms 34668 KB Output is correct
63 Correct 479 ms 34596 KB Output is correct
64 Correct 483 ms 35748 KB Output is correct
65 Correct 501 ms 34856 KB Output is correct
66 Correct 472 ms 35632 KB Output is correct
67 Correct 475 ms 34404 KB Output is correct
68 Correct 505 ms 35620 KB Output is correct
69 Correct 459 ms 34468 KB Output is correct
70 Correct 502 ms 34624 KB Output is correct
71 Correct 492 ms 34596 KB Output is correct
72 Correct 508 ms 34724 KB Output is correct
73 Correct 529 ms 34612 KB Output is correct
74 Correct 564 ms 35764 KB Output is correct
75 Correct 505 ms 35116 KB Output is correct
76 Correct 546 ms 35880 KB Output is correct
77 Correct 509 ms 35108 KB Output is correct
78 Correct 550 ms 35368 KB Output is correct
79 Correct 539 ms 35752 KB Output is correct
80 Correct 560 ms 35308 KB Output is correct
81 Correct 558 ms 35112 KB Output is correct
82 Correct 549 ms 34984 KB Output is correct
83 Correct 557 ms 35752 KB Output is correct
84 Correct 547 ms 35624 KB Output is correct
85 Correct 554 ms 35624 KB Output is correct
86 Correct 538 ms 34956 KB Output is correct
87 Correct 579 ms 35624 KB Output is correct
88 Correct 606 ms 35240 KB Output is correct
89 Correct 374 ms 34688 KB Output is correct
90 Correct 369 ms 32936 KB Output is correct
91 Correct 405 ms 33320 KB Output is correct
92 Correct 369 ms 32936 KB Output is correct
93 Correct 384 ms 32936 KB Output is correct
94 Correct 365 ms 32936 KB Output is correct
95 Correct 368 ms 33192 KB Output is correct
96 Correct 375 ms 33048 KB Output is correct
97 Correct 356 ms 32936 KB Output is correct
98 Correct 358 ms 33064 KB Output is correct
99 Correct 379 ms 33064 KB Output is correct
100 Correct 355 ms 33112 KB Output is correct
101 Correct 352 ms 32932 KB Output is correct
102 Correct 355 ms 33064 KB Output is correct