oj.uz

Submission #1043966

# Submission time Handle Problem Language Result Execution time Memory
1043966 2024-08-05T05:21:03 Z 김은성(#11005) Measures (CEOI22_measures) C++17
35 / 100
 152 ms 25788 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct Node{
	ll mx, mn, ret;
} tree[1<<19];
ll lazy[1<<19];
const ll INF = 0x3ffffffffffffffll;
int m, fen[1<<18];
void updatefen(int v){
	while(v <= m){
		fen[v]++;
		v += v&(-v);
	}
}
int psum(int v){
	int ans = 0;
	while(v>0){
		ans+=fen[v];
		v -= v&(-v);
	}
	return ans;
}
void init(int v, int l, int r){
	tree[v].mx = -INF;
	tree[v].mn = INF;
	tree[v].ret = 0;
	if(l==r)
		return;
	int mid = (l+r)/2;
	init(2*v,l , mid);
	init(2*v+1,mid+1, r);
}
void update(int v, int l, int r, int idx, ll val){
	if(lazy[v]){
		tree[v].mx += lazy[v];
		tree[v].mn += lazy[v];
		if(l!=r){
			lazy[2*v] += lazy[v];
			lazy[2*v+1] += lazy[v];
		}
		lazy[v] = 0;
	}
	if(l==r){
		tree[v].mx = tree[v].mn = val;
		tree[v].ret = 0;
		return;
	}
	int mid = (l+r)/2;
	if(idx <= mid)
		update(2*v, l, mid, idx, val);
	else
		update(2*v+1, mid+1, r, idx, val);
	tree[v].mx = max(tree[2*v].mx, tree[2*v+1].mx);
	tree[v].mn = min(tree[2*v].mn, tree[2*v+1].mn);
	tree[v].ret = max(max(tree[2*v].ret, tree[2*v+1].ret), tree[2*v+1].mx - tree[2*v].mn);
}
void addrange(int v, int l, int r, int s, int e, ll val){
	if(lazy[v]){
		tree[v].mx += lazy[v];
		tree[v].mn += lazy[v];
		if(l!=r){
			lazy[2*v] += lazy[v];
			lazy[2*v+1] += lazy[v];
		}
		lazy[v] = 0;
	}
	if(e<l || r<s)
		return;
	if(s<=l && r<=e){
		tree[v].mx += val;
		tree[v].mn += val;
		if(l != r){
			lazy[2*v] += val;
			lazy[2*v+1] += val;
		}
	}
	else{
		int mid = (l+r)/2;
		addrange(2*v, l, mid, s, e, val);
		addrange(2*v+1, mid+1, r, s, e, val);
		tree[v].mx = max(tree[2*v].mx, tree[2*v+1].mx);
		tree[v].mn = min(tree[2*v].mn, tree[2*v+1].mn);
		tree[v].ret = max(max(tree[2*v].ret, tree[2*v+1].ret), tree[2*v+1].mx - tree[2*v].mn);
	}
}
int main(){
	int n, D, i;
	ll val;
	scanf("%d %d", &n, &m);
	scanf("%d", &D);
	vector<pair<ll, int> > a;
	for(i=0; i<m; i++){
		scanf("%lld", &val);
		a.push_back(make_pair(val, i));
	}
	sort(a.begin(), a.end());
	vector<int> idx(m);
	for(i=0; i<m; i++){
		idx[a[i].second] = i;
	}
	init(1, 0, m-1);
	for(i=0; i<m; i++){
		update(1, 0, m-1, idx[i], -a[idx[i]].first + D * (ll)psum(idx[i]+1));
		//printf("psum=%lld\n", (ll)psum(idx[i]+1));
		//printf("idx[i]=%d val=%lld\n", idx[i], -a[idx[i]].first);
		addrange(1, 0, m-1, idx[i]+1, m-1, D);
		updatefen(idx[i]+1);
		ll res = tree[1].ret;
		//printf("tree[1].mn=%lld mx=%lld\n", tree[1].mn, tree[1].mx);
		if(res % 2==0)
			printf("%lld ", res/2);
		else
			printf("%lld.5 ", res/2);
	}
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:90:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |  scanf("%d %d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:91:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |  scanf("%d", &D);
      |  ~~~~~^~~~~~~~~~
Main.cpp:94:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   94 |   scanf("%lld", &val);
      |   ~~~~~^~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 22728 KB Output is correct
2 Correct 93 ms 24748 KB Output is correct
3 Correct 94 ms 25012 KB Output is correct
4 Correct 85 ms 22456 KB Output is correct
5 Correct 86 ms 24252 KB Output is correct
6 Correct 104 ms 23796 KB Output is correct
7 Correct 85 ms 23736 KB Output is correct
8 Correct 103 ms 23280 KB Output is correct
9 Correct 84 ms 22456 KB Output is correct
10 Correct 90 ms 25788 KB Output is correct
11 Correct 86 ms 23324 KB Output is correct
12 Correct 90 ms 24500 KB Output is correct
13 Correct 86 ms 22452 KB Output is correct
14 Correct 112 ms 24760 KB Output is correct
15 Correct 89 ms 24244 KB Output is correct
16 Correct 83 ms 22452 KB Output is correct
17 Correct 86 ms 23728 KB Output is correct

Subtask #4
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 22728 KB Output is correct
2 Correct 93 ms 24748 KB Output is correct
3 Correct 94 ms 25012 KB Output is correct
4 Correct 85 ms 22456 KB Output is correct
5 Correct 86 ms 24252 KB Output is correct
6 Correct 104 ms 23796 KB Output is correct
7 Correct 85 ms 23736 KB Output is correct
8 Correct 103 ms 23280 KB Output is correct
9 Correct 84 ms 22456 KB Output is correct
10 Correct 90 ms 25788 KB Output is correct
11 Correct 86 ms 23324 KB Output is correct
12 Correct 90 ms 24500 KB Output is correct
13 Correct 86 ms 22452 KB Output is correct
14 Correct 112 ms 24760 KB Output is correct
15 Correct 89 ms 24244 KB Output is correct
16 Correct 83 ms 22452 KB Output is correct
17 Correct 86 ms 23728 KB Output is correct
18 Incorrect 152 ms 23724 KB Output isn't correct
19 Halted 0 ms 0 KB -