답안 #503919

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
503919 2022-01-09T07:46:13 Z sumit_kk10 수열 (APIO14_sequence) C++17
100 / 100
1461 ms 98400 KB
#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL)
#define S second
#define F first 
#define pb push_back
using namespace std;
const int N = 1e6 + 5;
const int MOD = 1e9 + 7;
long long a[N], pre[N];
int par[100005][205], n, k;
vector<long long> dp(N), cur_dp(N);
 
long long C(int i, int j){
	return (pre[i] - pre[j]) * pre[j];
}
 
void compute(int l, int r, int tl, int tr, int kk){
	if(l > r)
		return;
	int mid = (l + r) / 2;
	pair<long long, int> p = {INT_MIN, mid};
	for(int i = tl; i < min(mid, tr + 1); ++i){
		if((dp[i] + C(mid, i)) > p.F){
			p.F = dp[i] + C(mid, i);
			p.S = i;
		}
	}
	par[mid][kk] = p.S;
	cur_dp[mid] = p.F;
	compute(l, mid - 1, tl, p.S, kk);
	compute(mid + 1, r, p.S, tr, kk);
}

void solve(){
	cin >> n >> k;
	for(int i = n - 1; i >= 0; --i)
		cin >> a[i];
	pre[0] = a[0];
	for(int i = 1; i < n; ++i)
	    pre[i] = pre[i - 1] + a[i];
	for(int i = 1; i <= k; ++i){
		compute(0, n - 1, 0, n - 1, i);
		dp = cur_dp;
	}
	cout << dp[n - 1] << '\n';
	int pos = n - 1, ct = k;
	while(ct > 0){
		cout << n - par[pos][ct] - 1 << ' ';
		pos = par[pos][ct];
		--ct;
	}
}
 
int main(){
	fast;
	int t = 1;
	// cin >> t;
	while(t--)
		solve();
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 15948 KB contestant found the optimal answer: 108 == 108
2 Correct 9 ms 15988 KB contestant found the optimal answer: 999 == 999
3 Correct 9 ms 15892 KB contestant found the optimal answer: 0 == 0
4 Correct 13 ms 15948 KB contestant found the optimal answer: 1542524 == 1542524
5 Correct 18 ms 15948 KB contestant found the optimal answer: 4500000000 == 4500000000
6 Correct 8 ms 15948 KB contestant found the optimal answer: 1 == 1
7 Correct 8 ms 15984 KB contestant found the optimal answer: 1 == 1
8 Correct 8 ms 15948 KB contestant found the optimal answer: 1 == 1
9 Correct 10 ms 15948 KB contestant found the optimal answer: 100400096 == 100400096
10 Correct 10 ms 15948 KB contestant found the optimal answer: 900320000 == 900320000
11 Correct 10 ms 15948 KB contestant found the optimal answer: 3698080248 == 3698080248
12 Correct 11 ms 15948 KB contestant found the optimal answer: 3200320000 == 3200320000
13 Correct 11 ms 15948 KB contestant found the optimal answer: 140072 == 140072
14 Correct 10 ms 15976 KB contestant found the optimal answer: 376041456 == 376041456
15 Correct 11 ms 15948 KB contestant found the optimal answer: 805 == 805
16 Correct 9 ms 15920 KB contestant found the optimal answer: 900189994 == 900189994
17 Correct 11 ms 15996 KB contestant found the optimal answer: 999919994 == 999919994
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 15988 KB contestant found the optimal answer: 1093956 == 1093956
2 Correct 9 ms 16044 KB contestant found the optimal answer: 302460000 == 302460000
3 Correct 59 ms 15948 KB contestant found the optimal answer: 122453454361 == 122453454361
4 Correct 11 ms 15932 KB contestant found the optimal answer: 93663683509 == 93663683509
5 Correct 20 ms 16048 KB contestant found the optimal answer: 1005304678 == 1005304678
6 Correct 15 ms 15948 KB contestant found the optimal answer: 933702 == 933702
7 Correct 34 ms 16040 KB contestant found the optimal answer: 25082842857 == 25082842857
8 Correct 21 ms 16060 KB contestant found the optimal answer: 687136 == 687136
9 Correct 14 ms 16048 KB contestant found the optimal answer: 27295930079 == 27295930079
10 Correct 21 ms 15948 KB contestant found the optimal answer: 29000419931 == 29000419931
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 16076 KB contestant found the optimal answer: 610590000 == 610590000
2 Correct 9 ms 16152 KB contestant found the optimal answer: 311760000 == 311760000
3 Correct 220 ms 16156 KB contestant found the optimal answer: 1989216017013 == 1989216017013
4 Correct 13 ms 16076 KB contestant found the optimal answer: 1499437552673 == 1499437552673
5 Correct 165 ms 16152 KB contestant found the optimal answer: 1019625819 == 1019625819
6 Correct 196 ms 16076 KB contestant found the optimal answer: 107630884 == 107630884
7 Correct 216 ms 16076 KB contestant found the optimal answer: 475357671774 == 475357671774
8 Correct 53 ms 16076 KB contestant found the optimal answer: 193556962 == 193556962
9 Correct 37 ms 16076 KB contestant found the optimal answer: 482389919803 == 482389919803
10 Correct 68 ms 16076 KB contestant found the optimal answer: 490686959791 == 490686959791
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 16768 KB contestant found the optimal answer: 21503404 == 21503404
2 Correct 10 ms 16716 KB contestant found the optimal answer: 140412195 == 140412195
3 Correct 232 ms 16808 KB contestant found the optimal answer: 49729674225461 == 49729674225461
4 Correct 11 ms 16716 KB contestant found the optimal answer: 37485571387523 == 37485571387523
5 Correct 235 ms 16836 KB contestant found the optimal answer: 679388326 == 679388326
6 Correct 216 ms 16800 KB contestant found the optimal answer: 4699030287 == 4699030287
7 Correct 244 ms 16716 KB contestant found the optimal answer: 12418819758185 == 12418819758185
8 Correct 228 ms 16812 KB contestant found the optimal answer: 31093317350 == 31093317350
9 Correct 51 ms 16812 KB contestant found the optimal answer: 12194625429236 == 12194625429236
10 Correct 97 ms 16716 KB contestant found the optimal answer: 12345131038664 == 12345131038664
# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 24192 KB contestant found the optimal answer: 1818678304 == 1818678304
2 Correct 15 ms 24140 KB contestant found the optimal answer: 1326260195 == 1326260195
3 Correct 296 ms 24140 KB contestant found the optimal answer: 4973126687469639 == 4973126687469639
4 Correct 16 ms 24196 KB contestant found the optimal answer: 3748491676694116 == 3748491676694116
5 Correct 216 ms 24140 KB contestant found the optimal answer: 1085432199 == 1085432199
6 Correct 224 ms 24172 KB contestant found the optimal answer: 514790755404 == 514790755404
7 Correct 237 ms 24172 KB contestant found the optimal answer: 1256105310476641 == 1256105310476641
8 Correct 193 ms 24132 KB contestant found the optimal answer: 3099592898816 == 3099592898816
9 Correct 230 ms 24164 KB contestant found the optimal answer: 1241131419367412 == 1241131419367412
10 Correct 290 ms 24140 KB contestant found the optimal answer: 1243084101967798 == 1243084101967798
# 결과 실행 시간 메모리 Grader output
1 Correct 55 ms 97672 KB contestant found the optimal answer: 19795776960 == 19795776960
2 Correct 55 ms 97916 KB contestant found the optimal answer: 19874432173 == 19874432173
3 Correct 974 ms 98308 KB contestant found the optimal answer: 497313449256899208 == 497313449256899208
4 Correct 56 ms 98292 KB contestant found the optimal answer: 374850090734572421 == 374850090734572421
5 Correct 1461 ms 97988 KB contestant found the optimal answer: 36183271951 == 36183271951
6 Correct 937 ms 97992 KB contestant found the optimal answer: 51629847150471 == 51629847150471
7 Correct 895 ms 98400 KB contestant found the optimal answer: 124074747024496432 == 124074747024496432
8 Correct 705 ms 98164 KB contestant found the optimal answer: 309959349080800 == 309959349080800
9 Correct 822 ms 98240 KB contestant found the optimal answer: 124113525649823701 == 124113525649823701
10 Correct 1029 ms 98140 KB contestant found the optimal answer: 124309619349406845 == 124309619349406845