oj.uz

Submission #1043962

# Submission time Handle Problem Language Result Execution time Memory
1043962 2024-08-05T05:17:40 Z 김은성(#11005) Measures (CEOI22_measures) C++17
35 / 100
 127 ms 25092 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("idx[i]=%d val=%lld\n", idx[i], -a[idx[i]].first);
		addrange(1, 0, m-1, 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 22712 KB Output is correct
2 Correct 92 ms 25012 KB Output is correct
3 Correct 102 ms 24756 KB Output is correct
4 Correct 84 ms 22452 KB Output is correct
5 Correct 89 ms 24704 KB Output is correct
6 Correct 84 ms 22964 KB Output is correct
7 Correct 86 ms 23988 KB Output is correct
8 Correct 89 ms 22708 KB Output is correct
9 Correct 83 ms 22428 KB Output is correct
10 Correct 89 ms 24760 KB Output is correct
11 Correct 87 ms 23388 KB Output is correct
12 Correct 89 ms 24468 KB Output is correct
13 Correct 84 ms 22404 KB Output is correct
14 Correct 92 ms 25092 KB Output is correct
15 Correct 109 ms 24500 KB Output is correct
16 Correct 84 ms 22456 KB Output is correct
17 Correct 88 ms 23868 KB Output is correct

Subtask #4
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 22712 KB Output is correct
2 Correct 92 ms 25012 KB Output is correct
3 Correct 102 ms 24756 KB Output is correct
4 Correct 84 ms 22452 KB Output is correct
5 Correct 89 ms 24704 KB Output is correct
6 Correct 84 ms 22964 KB Output is correct
7 Correct 86 ms 23988 KB Output is correct
8 Correct 89 ms 22708 KB Output is correct
9 Correct 83 ms 22428 KB Output is correct
10 Correct 89 ms 24760 KB Output is correct
11 Correct 87 ms 23388 KB Output is correct
12 Correct 89 ms 24468 KB Output is correct
13 Correct 84 ms 22404 KB Output is correct
14 Correct 92 ms 25092 KB Output is correct
15 Correct 109 ms 24500 KB Output is correct
16 Correct 84 ms 22456 KB Output is correct
17 Correct 88 ms 23868 KB Output is correct
18 Incorrect 127 ms 24316 KB Output isn't correct
19 Halted 0 ms 0 KB -