답안 #290509

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
290509	2020-09-03T22:59:42 Z	MatheusLealV	Bigger segments (IZhO19_segments)	C++17	73 / 100	707 ms	262148 KB

segments

#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define rep(i, a, b) for (int i = (a); i < (b); ++i)
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());
using namespace std;
typedef pair<long, long>pll;
 
// #define int long long
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
ll mod = (1000000007LL);
inline ll Mod(ll a, ll b){return (a%b);}
inline ll poww(ll a, ll b){ll res = 1;while (b > 0){if(b & 1) res = (res * a)%mod;a = (a * a)%mod;b >>= 1;}return res;}
ll gcd (ll a, ll b) { while (b) { a %= b,swap(a, b);}return a;}
void read(vector<int> &w, int n){w.resize(n);for(int i = 0; i < n; i++) cin>>w[i];}
void print(vector<int> &w){for(int i =0; i < sz(w); i++){if(i == sz(w) - 1) cout<<w[i]<<"\n";else cout<<w[i]<<" ";}}
int prodmod(vector<int> w);
int summod(vector<int> w);
///CUIDADO COM MAXN
#define N 500050
 
int n, m, q, k, v[N], ans;
ll pref[N];
pii w[N];
string s;
struct node{
    ll a, b;
    pll v;
    node *l, *r;
    node(ll a_, ll b_, ll v_ = 0, ll id=0){
        a = a_, b = b_;
        v = {v_, id};
        l = r = NULL;
    }
    void upd(ll p, ll x, ll id){
        if(p < a || p > b) return;
        if(a == b){
            v = max(v, {x, id});
            return;
        }
        ll mid = (a+b)/2;
        if(p <= mid){
            if(l == NULL) l = new node(a, mid);
            l->upd(p, x,id);
        }
        else{
            if(r == NULL) r = new node(mid + 1, b);
             r ->upd(p, x,id);
        }
        v = max(( (l == NULL)?pll(0,0):l->v ), ( (r == NULL)?pll(0,0): r-> v ));
    }
    pll query(ll i, ll j){
        if(i > b || j < a) return {0,0};
        if(i <= a && j >= b) return v;
        pll A = (l == NULL)?pll(0,0):l->query(i, j);
        pll B = (r == NULL)?pll(0,0):r->query(i, j);
        return max(A,B);
    }
};
int32_t main(){
	ios::sync_with_stdio(false); cin.tie(0);
	cin>>n;
	for(int i = 1; i <= n; i++){
		cin>>v[i];
		pref[i]=pref[i-1]+v[i];
	}
	node *tree = new node(0, n*((ll)(1e9)));
	// ll sum = 0, ans = 0, ant = -1;
	vector<int> dp(n + 1);
	for(int i = 1; i <= n; i++){
		auto cara = tree->query(0, pref[i]);
		dp[i] = cara.f + 1;
		// if(cara.s == 0) cara.s = 1;
		tree->upd(2LL*pref[i] - pref[cara.s], dp[i], i);
	}
	cout<<dp[n]<<"\n";
	// if(sum >= ant) ans ++;
	// cout<<ans<<"\n";
}
/*
    CUIDADO COM MAXN, MOD, OVERFLOW 
    >Colocar (>DEFINE INT LONG LONG<) no inicio do template
    >mod = (1e9 + 7), por padrao (NAO ESQUECER DE ALTERAR)
    >NAO ESQUECER DEFINE INT LONG LONG
    > N = 1 ? 
*/
int summod(vector<int> w){int curr=0;for(int i=0;i<sz(w); i++){curr = (curr+w[i])%mod;if(curr<0)curr+=mod;}return curr;}
int prodmod(vector<int> w){int curr = 1;
for(int i = 0; i < sz(w); i++){if(w[i] >= mod) w[i] %= mod;curr = (curr * w[i]) % mod;if(curr < 0) curr += mod;}return curr;}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	896 KB	Output is correct
17	Correct	2 ms	1024 KB	Output is correct
18	Correct	2 ms	1280 KB	Output is correct
19	Correct	2 ms	1152 KB	Output is correct
20	Correct	2 ms	1280 KB	Output is correct
21	Correct	2 ms	1280 KB	Output is correct
22	Correct	2 ms	1152 KB	Output is correct
23	Correct	1 ms	896 KB	Output is correct
24	Correct	1 ms	512 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	1 ms	512 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	640 KB	Output is correct
30	Correct	1 ms	640 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	896 KB	Output is correct
17	Correct	2 ms	1024 KB	Output is correct
18	Correct	2 ms	1280 KB	Output is correct
19	Correct	2 ms	1152 KB	Output is correct
20	Correct	2 ms	1280 KB	Output is correct
21	Correct	2 ms	1280 KB	Output is correct
22	Correct	2 ms	1152 KB	Output is correct
23	Correct	1 ms	896 KB	Output is correct
24	Correct	1 ms	512 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	1 ms	512 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	640 KB	Output is correct
30	Correct	1 ms	640 KB	Output is correct
31	Correct	7 ms	3456 KB	Output is correct
32	Correct	8 ms	4384 KB	Output is correct
33	Correct	9 ms	5248 KB	Output is correct
34	Correct	9 ms	4992 KB	Output is correct
35	Correct	11 ms	6144 KB	Output is correct
36	Correct	9 ms	6144 KB	Output is correct
37	Correct	11 ms	5120 KB	Output is correct
38	Correct	6 ms	4224 KB	Output is correct
39	Correct	5 ms	1152 KB	Output is correct
40	Correct	11 ms	5632 KB	Output is correct
41	Correct	5 ms	1184 KB	Output is correct
42	Correct	6 ms	1920 KB	Output is correct
43	Correct	5 ms	1024 KB	Output is correct
44	Correct	6 ms	2688 KB	Output is correct
45	Correct	7 ms	2688 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	896 KB	Output is correct
17	Correct	2 ms	1024 KB	Output is correct
18	Correct	2 ms	1280 KB	Output is correct
19	Correct	2 ms	1152 KB	Output is correct
20	Correct	2 ms	1280 KB	Output is correct
21	Correct	2 ms	1280 KB	Output is correct
22	Correct	2 ms	1152 KB	Output is correct
23	Correct	1 ms	896 KB	Output is correct
24	Correct	1 ms	512 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	1 ms	512 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	640 KB	Output is correct
30	Correct	1 ms	640 KB	Output is correct
31	Correct	7 ms	3456 KB	Output is correct
32	Correct	8 ms	4384 KB	Output is correct
33	Correct	9 ms	5248 KB	Output is correct
34	Correct	9 ms	4992 KB	Output is correct
35	Correct	11 ms	6144 KB	Output is correct
36	Correct	9 ms	6144 KB	Output is correct
37	Correct	11 ms	5120 KB	Output is correct
38	Correct	6 ms	4224 KB	Output is correct
39	Correct	5 ms	1152 KB	Output is correct
40	Correct	11 ms	5632 KB	Output is correct
41	Correct	5 ms	1184 KB	Output is correct
42	Correct	6 ms	1920 KB	Output is correct
43	Correct	5 ms	1024 KB	Output is correct
44	Correct	6 ms	2688 KB	Output is correct
45	Correct	7 ms	2688 KB	Output is correct
46	Correct	165 ms	70392 KB	Output is correct
47	Correct	212 ms	80596 KB	Output is correct
48	Correct	285 ms	163356 KB	Output is correct
49	Correct	309 ms	175776 KB	Output is correct
50	Correct	337 ms	194572 KB	Output is correct
51	Correct	303 ms	191272 KB	Output is correct
52	Correct	151 ms	95784 KB	Output is correct
53	Correct	92 ms	57592 KB	Output is correct
54	Correct	160 ms	25080 KB	Output is correct
55	Correct	317 ms	184184 KB	Output is correct
56	Correct	214 ms	84344 KB	Output is correct
57	Correct	196 ms	69368 KB	Output is correct
58	Correct	216 ms	76736 KB	Output is correct
59	Correct	247 ms	109688 KB	Output is correct
60	Correct	239 ms	109048 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	896 KB	Output is correct
17	Correct	2 ms	1024 KB	Output is correct
18	Correct	2 ms	1280 KB	Output is correct
19	Correct	2 ms	1152 KB	Output is correct
20	Correct	2 ms	1280 KB	Output is correct
21	Correct	2 ms	1280 KB	Output is correct
22	Correct	2 ms	1152 KB	Output is correct
23	Correct	1 ms	896 KB	Output is correct
24	Correct	1 ms	512 KB	Output is correct
25	Correct	2 ms	1152 KB	Output is correct
26	Correct	1 ms	512 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	640 KB	Output is correct
30	Correct	1 ms	640 KB	Output is correct
31	Correct	7 ms	3456 KB	Output is correct
32	Correct	8 ms	4384 KB	Output is correct
33	Correct	9 ms	5248 KB	Output is correct
34	Correct	9 ms	4992 KB	Output is correct
35	Correct	11 ms	6144 KB	Output is correct
36	Correct	9 ms	6144 KB	Output is correct
37	Correct	11 ms	5120 KB	Output is correct
38	Correct	6 ms	4224 KB	Output is correct
39	Correct	5 ms	1152 KB	Output is correct
40	Correct	11 ms	5632 KB	Output is correct
41	Correct	5 ms	1184 KB	Output is correct
42	Correct	6 ms	1920 KB	Output is correct
43	Correct	5 ms	1024 KB	Output is correct
44	Correct	6 ms	2688 KB	Output is correct
45	Correct	7 ms	2688 KB	Output is correct
46	Correct	165 ms	70392 KB	Output is correct
47	Correct	212 ms	80596 KB	Output is correct
48	Correct	285 ms	163356 KB	Output is correct
49	Correct	309 ms	175776 KB	Output is correct
50	Correct	337 ms	194572 KB	Output is correct
51	Correct	303 ms	191272 KB	Output is correct
52	Correct	151 ms	95784 KB	Output is correct
53	Correct	92 ms	57592 KB	Output is correct
54	Correct	160 ms	25080 KB	Output is correct
55	Correct	317 ms	184184 KB	Output is correct
56	Correct	214 ms	84344 KB	Output is correct
57	Correct	196 ms	69368 KB	Output is correct
58	Correct	216 ms	76736 KB	Output is correct
59	Correct	247 ms	109688 KB	Output is correct
60	Correct	239 ms	109048 KB	Output is correct
61	Runtime error	707 ms	262148 KB	Execution killed with signal 9
62	Halted	0 ms	0 KB	-

답안 #290509

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
0 / 27.0