#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MXN = 1e6 + 2;
ll dp[MXN][52];
signed main() {
std::ios::sync_with_stdio(0);
std::cout.tie(0);
std::cin.tie(0);
int n, s, k;
cin >> n >> s >> k;
vector<ll> a(n + 1), d(n + 1);
vector<array<ll, 2>> c(n + 1);
for(int i = 1; i < n; i++) cin >> d[i];
for(int i = 1; i <= n; i++) cin >> a[i], a[i] += a[i - 1]; //prefix sums
vector<ll> p(n + 1);
for(int i = 1; i <= n; i++) p[i] = p[i - 1] + d[i - 1];
//cout << "prefix sums: ";
//for(int i = 1; i <= n; i++) cout << p[i] << ' '; cout << '\n';
for(int i = 1; i <= n; i++) {
int id = lower_bound(p.begin(), p.end(), p[i] + k) - p.begin();
if(id > n || p[id] > p[i] + k) id--;
//cout << id << ' ';
c[i][0] += a[id] - a[i];
c[i][1] = id + 1;
id = lower_bound(p.begin(), p.end(), p[i] - k) - p.begin();
c[i][0] += a[i] - a[id];
if(id) c[i][0] += a[id] - a[id - 1];
//cout << id << ' ' << c[i][0] << '\n';
}
for(int i = 1; i <= s; i++) dp[n][i] = a[n] - a[n - 1];
for(int i = n - 1; i; i--) {
for(int j = s; j; j--) {
int nxt = c[i][1];
dp[i][j] = c[i][0] + dp[nxt][j - 1];
}
}
//cout << "dp:\n";
//for(int i = 1; i <= n; i++) { for(int j = 0; j <= s; j++) cout << dp[i][j] << ' '; cout << '\n';}
ll ans = 0;
array<int, 2> best;
for(int i = 1; i <= n; i++) {
for(int j = 0; j <= s; j++) {
if(ans < dp[i][j]) ans = dp[i][j], best = {i, j};
}
}
vector<int> shield;
function<void(int i, int j)> out = [&] (int i, int j) {
if(j == 0) return;
shield.push_back(i);
out(c[i][1], j - 1);
};
out(best[0], best[1]);
//cout << ans << '\n';
cout << shield.size() << '\n';
for(int x : shield) cout << x << ' '; cout << '\n';
return 0;
}
Compilation message
SolarStorm.cpp: In function 'int main()':
SolarStorm.cpp:57:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
57 | for(int x : shield) cout << x << ' '; cout << '\n';
| ^~~
SolarStorm.cpp:57:43: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
57 | for(int x : shield) cout << x << ' '; cout << '\n';
| ^~~~
SolarStorm.cpp:42:19: warning: 'best.std::array<int, 2>::_M_elems[0]' may be used uninitialized in this function [-Wmaybe-uninitialized]
42 | array<int, 2> best;
| ^~~~
SolarStorm.cpp:42:19: warning: 'best.std::array<int, 2>::_M_elems[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
7 ms |
4460 KB |
Output is correct |
3 |
Correct |
6 ms |
4972 KB |
Output is correct |
4 |
Correct |
3 ms |
2284 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
4 ms |
3948 KB |
Output is correct |
7 |
Correct |
4 ms |
4332 KB |
Output is correct |
8 |
Correct |
6 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
3308 KB |
Output is correct |
10 |
Correct |
6 ms |
4716 KB |
Output is correct |
11 |
Correct |
6 ms |
4972 KB |
Output is correct |
12 |
Correct |
3 ms |
2156 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
192 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
7 ms |
4460 KB |
Output is correct |
3 |
Correct |
6 ms |
4972 KB |
Output is correct |
4 |
Correct |
3 ms |
2284 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
4 ms |
3948 KB |
Output is correct |
7 |
Correct |
4 ms |
4332 KB |
Output is correct |
8 |
Correct |
6 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
3308 KB |
Output is correct |
10 |
Correct |
6 ms |
4716 KB |
Output is correct |
11 |
Correct |
6 ms |
4972 KB |
Output is correct |
12 |
Correct |
3 ms |
2156 KB |
Output is correct |
13 |
Runtime error |
192 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2050 ms |
44048 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
7 ms |
4460 KB |
Output is correct |
3 |
Correct |
6 ms |
4972 KB |
Output is correct |
4 |
Correct |
3 ms |
2284 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
4 ms |
3948 KB |
Output is correct |
7 |
Correct |
4 ms |
4332 KB |
Output is correct |
8 |
Correct |
6 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
3308 KB |
Output is correct |
10 |
Correct |
6 ms |
4716 KB |
Output is correct |
11 |
Correct |
6 ms |
4972 KB |
Output is correct |
12 |
Correct |
3 ms |
2156 KB |
Output is correct |
13 |
Runtime error |
56 ms |
9580 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
7 ms |
4460 KB |
Output is correct |
3 |
Correct |
6 ms |
4972 KB |
Output is correct |
4 |
Correct |
3 ms |
2284 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
4 ms |
3948 KB |
Output is correct |
7 |
Correct |
4 ms |
4332 KB |
Output is correct |
8 |
Correct |
6 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
3308 KB |
Output is correct |
10 |
Correct |
6 ms |
4716 KB |
Output is correct |
11 |
Correct |
6 ms |
4972 KB |
Output is correct |
12 |
Correct |
3 ms |
2156 KB |
Output is correct |
13 |
Runtime error |
192 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
7 ms |
4460 KB |
Output is correct |
3 |
Correct |
6 ms |
4972 KB |
Output is correct |
4 |
Correct |
3 ms |
2284 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
4 ms |
3948 KB |
Output is correct |
7 |
Correct |
4 ms |
4332 KB |
Output is correct |
8 |
Correct |
6 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
3308 KB |
Output is correct |
10 |
Correct |
6 ms |
4716 KB |
Output is correct |
11 |
Correct |
6 ms |
4972 KB |
Output is correct |
12 |
Correct |
3 ms |
2156 KB |
Output is correct |
13 |
Runtime error |
192 ms |
262148 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
14 |
Halted |
0 ms |
0 KB |
- |