This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define bpc(x) __builtin_popcount(x)
#define bpcll(x) __builtin_popcountll(x)
#define MP make_pair
#define BIT(x, i) (((x) >> (i)) & 1)
//#define endl '\n'
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
typedef long long ll;
const int MOD = 1e9 + 7;
const int N = 2e5 + 30;
int n;
int w[N];
vector<int> parks(ll d){
vector<int> p;
for (int i = 1; i <= n;){
ll x = 0;
int j = i + 1;
while (j <= n && x + w[j - 1] <= d){
x += w[j - 1];
j++;
}
j--;
p.push_back(j);
x = 0;
while (j < n && x + w[j] <= d){
x += w[j];
j++;
}
i = j + 1;
}
return p;
}
void solve(){
int k;
cin >> n >> k;
for (int i = 1; i < n; i++) cin >> w[i] >> w[i] >> w[i];
vector<int> ans;
ll l = 0, r = 2e15;
while (l <= r){
ll m = (l + r) >> 1;
vector<int> p = parks(m);
if (p.size() <= k){
ans = p;
r = m - 1;
} else {
l = m + 1;
}
}
cout << ++r << endl;
for (int x : ans) cout << x << ' ';
cout << endl;
}
int main(){
clock_t startTime = clock();
ios_base::sync_with_stdio(false);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int test_cases = 1;
// cin >> test_cases;
for (int test = 1; test <= test_cases; test++){
// cout << (solve() ? "YES" : "NO") << endl;
solve();
}
#ifdef LOCAL
cerr << "Time: " << int((double) (clock() - startTime) / CLOCKS_PER_SEC * 1000) << " ms" << endl;
#endif
return 0;
}
Compilation message (stderr)
Main.cpp: In function 'void solve()':
Main.cpp:65:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
65 | if (p.size() <= k){
| ~~~~~~~~~^~~~
Main.cpp: In function 'int main()':
Main.cpp:80:13: warning: unused variable 'startTime' [-Wunused-variable]
80 | clock_t startTime = clock();
| ^~~~~~~~~
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