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Submission #224551

# Submission time Handle Problem Language Result Execution time Memory
224551 2020-04-18T11:48:38 Z Berted Solar Storm (NOI20_solarstorm) C++14
100 / 100
 713 ms 186404 KB 
#include <iostream>
#include <vector>
#define vi vector<int>
#define fst first
#define snd second
#define pub push_back
#define ll long long
using namespace std;
const int MX = 1000001, LG = 20;
int s, n;
ll k, dst[MX] = {}, vpf[MX] = {}, sps[MX][LG] = {}, mx, rs, i1, i2, dst1, dst2;
vector<int> ans;
int main()
{
	ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> s >> k;
	for (int i = 1; i < n; i++) {cin >> dst[i];}
	for (int i = 1; i <= n; i++) {cin >> vpf[i]; vpf[i] += vpf[i - 1];}
	//i1 = i2 = 1;
	for (int i = 0; i < n; i++)
	{
		if (i2 < i) {dst2 = dst1 = 0; i2 = i1 = i;}
		else if (i1 < i) {dst1 = 0; dst2 -= dst[i]; i1 = i;}
		else {dst1 -= dst[i];}
		for (; i1 < n - 1 && dst1 + dst[i1 + 1] <= k; i1++)
		{
			dst1 += dst[i1 + 1];
			if (i1 + 1 <= i2) {dst2 -= dst[i1 + 1];}
			else {i2++;}
		}
		for (; i2 < n - 1 && dst2 + dst[i2 + 1] <= k; i2++)
		{
			dst2 += dst[i2 + 1];
		}
		sps[i][0] = i2; 
		//cout << i1 << " " << i2 << "\n";
	}
	for (int i = 1; (1 << i) <= s; i++)
	{
		for (int j = 0; j < n; j++)
		{
			if (sps[j][i - 1] == n - 1) {sps[j][i] = n - 1;}
			else {sps[j][i] = sps[sps[j][i - 1] + 1][i - 1];}
		}
	}
	//cout << "----\n";
	for (int i = 0; i < n; i++)
	{
		int cr = i - 1;
		for (int j = 0; (1 << j) <= s; j++)
		{
			if ((1 << j) & s) 
			{
				if (cr < n - 1) {cr = sps[cr + 1][j];}		
			}
		}
		//cout << i << " " << cr << "\n";
		if (vpf[cr + 1] - vpf[i] > mx)
		{
			mx = vpf[cr + 1] - vpf[i];
			rs = i;
		}
	}
	//cout << mx << "\n";
	i1 = rs, i2 = rs, dst1 = 0, dst2 = 0;
	while (ans.size() < s && rs < n)
	{
		for (; i1 < n - 1 && dst1 + dst[i1 + 1] <= k; i1++)
		{
			dst1 += dst[i1 + 1];
			if (i1 + 1 <= i2) {dst2 -= dst[i1 + 1];}
			else {i2++;}
		}
		for (; i2 < n - 1 && dst2 + dst[i2 + 1] <= k; i2++)
		{
			dst2 += dst[i2 + 1];
		}
		ans.pub(i1 + 1);
		rs = i2 + 1;
		i1 = rs;
		i2 = rs;
		dst1 = 0;
		dst2 = 0; 
	}

	cout << ans.size() << "\n";
	for (int i = 0; i < ans.size(); i++)
	{
		cout << ans[i];
		if (i < ans.size() - 1) {cout << " ";}
	}
	cout << "\n";
	return 0;
}

Compilation message

SolarStorm.cpp: In function 'int main()':
SolarStorm.cpp:66:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (ans.size() < s && rs < n)
         ~~~~~~~~~~~^~~
SolarStorm.cpp:87:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < ans.size(); i++)
                  ~~^~~~~~~~~~~~
SolarStorm.cpp:90:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i < ans.size() - 1) {cout << " ";}
       ~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 7 ms 2048 KB Output is correct
3 Correct 7 ms 2176 KB Output is correct
4 Correct 6 ms 1152 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 1792 KB Output is correct
7 Correct 7 ms 1920 KB Output is correct
8 Correct 7 ms 2176 KB Output is correct
9 Correct 6 ms 1536 KB Output is correct
10 Correct 7 ms 2176 KB Output is correct
11 Correct 8 ms 2176 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 223 ms 155000 KB Output is correct
2 Correct 139 ms 98936 KB Output is correct
3 Correct 144 ms 105976 KB Output is correct
4 Correct 158 ms 115704 KB Output is correct
5 Correct 186 ms 135580 KB Output is correct
6 Correct 248 ms 178936 KB Output is correct
7 Correct 172 ms 119288 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 7 ms 2048 KB Output is correct
3 Correct 7 ms 2176 KB Output is correct
4 Correct 6 ms 1152 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 1792 KB Output is correct
7 Correct 7 ms 1920 KB Output is correct
8 Correct 7 ms 2176 KB Output is correct
9 Correct 6 ms 1536 KB Output is correct
10 Correct 7 ms 2176 KB Output is correct
11 Correct 8 ms 2176 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 223 ms 155000 KB Output is correct
14 Correct 139 ms 98936 KB Output is correct
15 Correct 144 ms 105976 KB Output is correct
16 Correct 158 ms 115704 KB Output is correct
17 Correct 186 ms 135580 KB Output is correct
18 Correct 248 ms 178936 KB Output is correct
19 Correct 172 ms 119288 KB Output is correct
20 Correct 165 ms 101112 KB Output is correct
21 Correct 205 ms 121952 KB Output is correct
22 Correct 249 ms 142968 KB Output is correct
23 Correct 238 ms 147940 KB Output is correct
24 Correct 227 ms 133496 KB Output is correct
25 Correct 235 ms 133592 KB Output is correct
26 Correct 169 ms 101852 KB Output is correct
27 Correct 225 ms 128248 KB Output is correct
28 Correct 224 ms 126968 KB Output is correct
29 Correct 293 ms 161528 KB Output is correct
30 Correct 238 ms 134520 KB Output is correct
31 Correct 196 ms 119420 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 505 ms 151392 KB Output is correct
2 Correct 224 ms 91896 KB Output is correct
3 Correct 201 ms 98680 KB Output is correct
4 Correct 291 ms 142840 KB Output is correct
5 Correct 247 ms 138488 KB Output is correct
6 Correct 218 ms 146424 KB Output is correct
7 Correct 666 ms 184808 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 7 ms 2048 KB Output is correct
3 Correct 7 ms 2176 KB Output is correct
4 Correct 6 ms 1152 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 1792 KB Output is correct
7 Correct 7 ms 1920 KB Output is correct
8 Correct 7 ms 2176 KB Output is correct
9 Correct 6 ms 1536 KB Output is correct
10 Correct 7 ms 2176 KB Output is correct
11 Correct 8 ms 2176 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 8 ms 2176 KB Output is correct
14 Correct 7 ms 1792 KB Output is correct
15 Correct 7 ms 1792 KB Output is correct
16 Correct 6 ms 1408 KB Output is correct
17 Correct 7 ms 1792 KB Output is correct
18 Correct 8 ms 2176 KB Output is correct
19 Correct 7 ms 1792 KB Output is correct
20 Correct 6 ms 1536 KB Output is correct
21 Correct 9 ms 2304 KB Output is correct
22 Correct 8 ms 2176 KB Output is correct
23 Correct 8 ms 2176 KB Output is correct
24 Correct 9 ms 1920 KB Output is correct
25 Correct 8 ms 2048 KB Output is correct
26 Correct 8 ms 2048 KB Output is correct
27 Correct 7 ms 1664 KB Output is correct
28 Correct 7 ms 1792 KB Output is correct
29 Correct 7 ms 1664 KB Output is correct
30 Correct 8 ms 2048 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 7 ms 2048 KB Output is correct
3 Correct 7 ms 2176 KB Output is correct
4 Correct 6 ms 1152 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 1792 KB Output is correct
7 Correct 7 ms 1920 KB Output is correct
8 Correct 7 ms 2176 KB Output is correct
9 Correct 6 ms 1536 KB Output is correct
10 Correct 7 ms 2176 KB Output is correct
11 Correct 8 ms 2176 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 223 ms 155000 KB Output is correct
14 Correct 139 ms 98936 KB Output is correct
15 Correct 144 ms 105976 KB Output is correct
16 Correct 158 ms 115704 KB Output is correct
17 Correct 186 ms 135580 KB Output is correct
18 Correct 248 ms 178936 KB Output is correct
19 Correct 172 ms 119288 KB Output is correct
20 Correct 165 ms 101112 KB Output is correct
21 Correct 205 ms 121952 KB Output is correct
22 Correct 249 ms 142968 KB Output is correct
23 Correct 238 ms 147940 KB Output is correct
24 Correct 227 ms 133496 KB Output is correct
25 Correct 235 ms 133592 KB Output is correct
26 Correct 169 ms 101852 KB Output is correct
27 Correct 225 ms 128248 KB Output is correct
28 Correct 224 ms 126968 KB Output is correct
29 Correct 293 ms 161528 KB Output is correct
30 Correct 238 ms 134520 KB Output is correct
31 Correct 196 ms 119420 KB Output is correct
32 Correct 297 ms 155256 KB Output is correct
33 Correct 252 ms 121464 KB Output is correct
34 Correct 376 ms 162936 KB Output is correct
35 Correct 235 ms 102392 KB Output is correct
36 Correct 232 ms 108920 KB Output is correct
37 Correct 269 ms 119048 KB Output is correct
38 Correct 358 ms 175224 KB Output is correct
39 Correct 270 ms 134264 KB Output is correct
40 Correct 365 ms 176804 KB Output is correct

Subtask #7
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 7 ms 2048 KB Output is correct
3 Correct 7 ms 2176 KB Output is correct
4 Correct 6 ms 1152 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 7 ms 1792 KB Output is correct
7 Correct 7 ms 1920 KB Output is correct
8 Correct 7 ms 2176 KB Output is correct
9 Correct 6 ms 1536 KB Output is correct
10 Correct 7 ms 2176 KB Output is correct
11 Correct 8 ms 2176 KB Output is correct
12 Correct 6 ms 1152 KB Output is correct
13 Correct 223 ms 155000 KB Output is correct
14 Correct 139 ms 98936 KB Output is correct
15 Correct 144 ms 105976 KB Output is correct
16 Correct 158 ms 115704 KB Output is correct
17 Correct 186 ms 135580 KB Output is correct
18 Correct 248 ms 178936 KB Output is correct
19 Correct 172 ms 119288 KB Output is correct
20 Correct 165 ms 101112 KB Output is correct
21 Correct 205 ms 121952 KB Output is correct
22 Correct 249 ms 142968 KB Output is correct
23 Correct 238 ms 147940 KB Output is correct
24 Correct 227 ms 133496 KB Output is correct
25 Correct 235 ms 133592 KB Output is correct
26 Correct 169 ms 101852 KB Output is correct
27 Correct 225 ms 128248 KB Output is correct
28 Correct 224 ms 126968 KB Output is correct
29 Correct 293 ms 161528 KB Output is correct
30 Correct 238 ms 134520 KB Output is correct
31 Correct 196 ms 119420 KB Output is correct
32 Correct 505 ms 151392 KB Output is correct
33 Correct 224 ms 91896 KB Output is correct
34 Correct 201 ms 98680 KB Output is correct
35 Correct 291 ms 142840 KB Output is correct
36 Correct 247 ms 138488 KB Output is correct
37 Correct 218 ms 146424 KB Output is correct
38 Correct 666 ms 184808 KB Output is correct
39 Correct 8 ms 2176 KB Output is correct
40 Correct 7 ms 1792 KB Output is correct
41 Correct 7 ms 1792 KB Output is correct
42 Correct 6 ms 1408 KB Output is correct
43 Correct 7 ms 1792 KB Output is correct
44 Correct 8 ms 2176 KB Output is correct
45 Correct 7 ms 1792 KB Output is correct
46 Correct 6 ms 1536 KB Output is correct
47 Correct 9 ms 2304 KB Output is correct
48 Correct 8 ms 2176 KB Output is correct
49 Correct 8 ms 2176 KB Output is correct
50 Correct 9 ms 1920 KB Output is correct
51 Correct 8 ms 2048 KB Output is correct
52 Correct 8 ms 2048 KB Output is correct
53 Correct 7 ms 1664 KB Output is correct
54 Correct 7 ms 1792 KB Output is correct
55 Correct 7 ms 1664 KB Output is correct
56 Correct 8 ms 2048 KB Output is correct
57 Correct 297 ms 155256 KB Output is correct
58 Correct 252 ms 121464 KB Output is correct
59 Correct 376 ms 162936 KB Output is correct
60 Correct 235 ms 102392 KB Output is correct
61 Correct 232 ms 108920 KB Output is correct
62 Correct 269 ms 119048 KB Output is correct
63 Correct 358 ms 175224 KB Output is correct
64 Correct 270 ms 134264 KB Output is correct
65 Correct 365 ms 176804 KB Output is correct
66 Correct 300 ms 109688 KB Output is correct
67 Correct 513 ms 150892 KB Output is correct
68 Correct 355 ms 106852 KB Output is correct
69 Correct 456 ms 139244 KB Output is correct
70 Correct 231 ms 112508 KB Output is correct
71 Correct 450 ms 174968 KB Output is correct
72 Correct 286 ms 113528 KB Output is correct
73 Correct 349 ms 145688 KB Output is correct
74 Correct 238 ms 93588 KB Output is correct
75 Correct 380 ms 148984 KB Output is correct
76 Correct 250 ms 106616 KB Output is correct
77 Correct 423 ms 140024 KB Output is correct
78 Correct 224 ms 101880 KB Output is correct
79 Correct 322 ms 129844 KB Output is correct
80 Correct 385 ms 159688 KB Output is correct
81 Correct 192 ms 108152 KB Output is correct
82 Correct 272 ms 134476 KB Output is correct
83 Correct 188 ms 91896 KB Output is correct
84 Correct 175 ms 99324 KB Output is correct
85 Correct 205 ms 93432 KB Output is correct
86 Correct 316 ms 158840 KB Output is correct
87 Correct 198 ms 93432 KB Output is correct
88 Correct 555 ms 159532 KB Output is correct
89 Correct 257 ms 130168 KB Output is correct
90 Correct 225 ms 119032 KB Output is correct
91 Correct 699 ms 186404 KB Output is correct
92 Correct 523 ms 176476 KB Output is correct
93 Correct 713 ms 181308 KB Output is correct
94 Correct 702 ms 181232 KB Output is correct
95 Correct 511 ms 156664 KB Output is correct
96 Correct 401 ms 124280 KB Output is correct
97 Correct 594 ms 167028 KB Output is correct
98 Correct 473 ms 113136 KB Output is correct
99 Correct 437 ms 126604 KB Output is correct
100 Correct 455 ms 122976 KB Output is correct