Submission #232605

# Submission time Handle Problem Language Result Execution time Memory
232605 2020-05-17T15:07:52 Z BamiTorabi Split the sequence (APIO14_sequence) C++14
100 / 100
1006 ms 81872 KB
//Sasayego! Sasayego! Shinzou wo Sasageyo!

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <ctime>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include <bitset>
#include <ctime>
#define debug(x)  cerr << #x << " = " << x << endl
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pll;
typedef pair <int, int> pii;

const int maxN = 1e5 + 5;
const int maxK = 2e2 + 5;
const ll INF = 1e18;
const ll MOD = 1e9 + 7;

int level, eren[maxK][maxN];
ll a[maxN], arumin[2][maxN];
vector <int> vec;

ll cost(int lt, int rt){
	ll tmp = a[rt] - a[lt - 1];
	return tmp * tmp;
}

void DC(int l, int r, int s, int e){
	if (r < l)
		return;
	int md = (l + r) >> 1;
	bool b = level % 2;
	for (int i = s; i <= min(md, e); i++)
		if (arumin[b][md] >= arumin[!b][i - 1] + cost(i, md)){
			arumin[b][md]  = arumin[!b][i - 1] + cost(i, md);
			eren[level][md] = i;
		}
	DC(l, md - 1, s, eren[level][md]);
	DC(md + 1, r, eren[level][md], e);
	return;
}

int main(){
	time_t START = clock();
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	memset(arumin, 63, sizeof arumin);
	arumin[0][0] = 0;
	int n, k; scanf("%d%d", &n, &k); k++;
	for (int i = 1; i <= n; i++){
		scanf("%lld", a + i);
		a[i] += a[i - 1];
	}
	for (level = 1; level <= k; level++)
		DC(level, n, level, n);
	printf("%lld\n", (a[n] * a[n] - arumin[k % 2][n]) >> 1);
	while (k > 1){
		vec.push_back(eren[k][n] - 1);
		n = eren[k][n] - 1;
		k--;
	}
	reverse(vec.begin(), vec.end());
	for (int x : vec)
		printf("%d ", x);
	printf("\n");
	time_t FINISH = clock();
	cerr << "Execution time: " << (ld)(FINISH - START) / CLOCKS_PER_SEC * 1000.0 << " milliseconds.\n";
	return 0;
}
 

Compilation message

sequence.cpp: In function 'int main()':
sequence.cpp:59:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n, k; scanf("%d%d", &n, &k); k++;
            ~~~~~^~~~~~~~~~~~~~~~
sequence.cpp:61:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", a + i);
   ~~~~~^~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1920 KB contestant found the optimal answer: 108 == 108
2 Correct 5 ms 1920 KB contestant found the optimal answer: 999 == 999
3 Correct 6 ms 1920 KB contestant found the optimal answer: 0 == 0
4 Correct 6 ms 1920 KB contestant found the optimal answer: 1542524 == 1542524
5 Correct 6 ms 2048 KB contestant found the optimal answer: 4500000000 == 4500000000
6 Correct 6 ms 1920 KB contestant found the optimal answer: 1 == 1
7 Correct 5 ms 1920 KB contestant found the optimal answer: 1 == 1
8 Correct 5 ms 1920 KB contestant found the optimal answer: 1 == 1
9 Correct 5 ms 1920 KB contestant found the optimal answer: 100400096 == 100400096
10 Correct 6 ms 1920 KB contestant found the optimal answer: 900320000 == 900320000
11 Correct 5 ms 1920 KB contestant found the optimal answer: 3698080248 == 3698080248
12 Correct 6 ms 1920 KB contestant found the optimal answer: 3200320000 == 3200320000
13 Correct 6 ms 1920 KB contestant found the optimal answer: 140072 == 140072
14 Correct 6 ms 1920 KB contestant found the optimal answer: 376041456 == 376041456
15 Correct 5 ms 1920 KB contestant found the optimal answer: 805 == 805
16 Correct 5 ms 1920 KB contestant found the optimal answer: 900189994 == 900189994
17 Correct 5 ms 1920 KB contestant found the optimal answer: 999919994 == 999919994
# Verdict Execution time Memory Grader output
1 Correct 5 ms 1920 KB contestant found the optimal answer: 1093956 == 1093956
2 Correct 6 ms 1920 KB contestant found the optimal answer: 302460000 == 302460000
3 Correct 6 ms 2208 KB contestant found the optimal answer: 122453454361 == 122453454361
4 Correct 5 ms 1920 KB contestant found the optimal answer: 93663683509 == 93663683509
5 Correct 6 ms 2048 KB contestant found the optimal answer: 1005304678 == 1005304678
6 Correct 5 ms 1920 KB contestant found the optimal answer: 933702 == 933702
7 Correct 6 ms 2048 KB contestant found the optimal answer: 25082842857 == 25082842857
8 Correct 5 ms 1920 KB contestant found the optimal answer: 687136 == 687136
9 Correct 5 ms 1920 KB contestant found the optimal answer: 27295930079 == 27295930079
10 Correct 5 ms 2048 KB contestant found the optimal answer: 29000419931 == 29000419931
# Verdict Execution time Memory Grader output
1 Correct 5 ms 1920 KB contestant found the optimal answer: 610590000 == 610590000
2 Correct 6 ms 1920 KB contestant found the optimal answer: 311760000 == 311760000
3 Correct 6 ms 2996 KB contestant found the optimal answer: 1989216017013 == 1989216017013
4 Correct 6 ms 2048 KB contestant found the optimal answer: 1499437552673 == 1499437552673
5 Correct 6 ms 2688 KB contestant found the optimal answer: 1019625819 == 1019625819
6 Correct 7 ms 2816 KB contestant found the optimal answer: 107630884 == 107630884
7 Correct 7 ms 2944 KB contestant found the optimal answer: 475357671774 == 475357671774
8 Correct 6 ms 2176 KB contestant found the optimal answer: 193556962 == 193556962
9 Correct 6 ms 2048 KB contestant found the optimal answer: 482389919803 == 482389919803
10 Correct 6 ms 2176 KB contestant found the optimal answer: 490686959791 == 490686959791
# Verdict Execution time Memory Grader output
1 Correct 6 ms 2048 KB contestant found the optimal answer: 21503404 == 21503404
2 Correct 6 ms 1920 KB contestant found the optimal answer: 140412195 == 140412195
3 Correct 12 ms 3584 KB contestant found the optimal answer: 49729674225461 == 49729674225461
4 Correct 6 ms 1916 KB contestant found the optimal answer: 37485571387523 == 37485571387523
5 Correct 14 ms 3584 KB contestant found the optimal answer: 679388326 == 679388326
6 Correct 12 ms 3328 KB contestant found the optimal answer: 4699030287 == 4699030287
7 Correct 14 ms 3584 KB contestant found the optimal answer: 12418819758185 == 12418819758185
8 Correct 11 ms 3584 KB contestant found the optimal answer: 31093317350 == 31093317350
9 Correct 7 ms 2304 KB contestant found the optimal answer: 12194625429236 == 12194625429236
10 Correct 9 ms 2688 KB contestant found the optimal answer: 12345131038664 == 12345131038664
# Verdict Execution time Memory Grader output
1 Correct 8 ms 2176 KB contestant found the optimal answer: 1818678304 == 1818678304
2 Correct 7 ms 2176 KB contestant found the optimal answer: 1326260195 == 1326260195
3 Correct 75 ms 10744 KB contestant found the optimal answer: 4973126687469639 == 4973126687469639
4 Correct 8 ms 2176 KB contestant found the optimal answer: 3748491676694116 == 3748491676694116
5 Correct 62 ms 7288 KB contestant found the optimal answer: 1085432199 == 1085432199
6 Correct 58 ms 8184 KB contestant found the optimal answer: 514790755404 == 514790755404
7 Correct 74 ms 8696 KB contestant found the optimal answer: 1256105310476641 == 1256105310476641
8 Correct 52 ms 7416 KB contestant found the optimal answer: 3099592898816 == 3099592898816
9 Correct 58 ms 8184 KB contestant found the optimal answer: 1241131419367412 == 1241131419367412
10 Correct 72 ms 9848 KB contestant found the optimal answer: 1243084101967798 == 1243084101967798
# Verdict Execution time Memory Grader output
1 Correct 32 ms 4216 KB contestant found the optimal answer: 19795776960 == 19795776960
2 Correct 32 ms 4480 KB contestant found the optimal answer: 19874432173 == 19874432173
3 Correct 728 ms 81872 KB contestant found the optimal answer: 497313449256899208 == 497313449256899208
4 Correct 31 ms 4728 KB contestant found the optimal answer: 374850090734572421 == 374850090734572421
5 Correct 1006 ms 81788 KB contestant found the optimal answer: 36183271951 == 36183271951
6 Correct 596 ms 58292 KB contestant found the optimal answer: 51629847150471 == 51629847150471
7 Correct 755 ms 62404 KB contestant found the optimal answer: 124074747024496432 == 124074747024496432
8 Correct 517 ms 51192 KB contestant found the optimal answer: 309959349080800 == 309959349080800
9 Correct 554 ms 58232 KB contestant found the optimal answer: 124113525649823701 == 124113525649823701
10 Correct 724 ms 74172 KB contestant found the optimal answer: 124309619349406845 == 124309619349406845