#include "towers.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(),x.end()
#define ll long long int
#define en cout << '\n'
#define pi pair<int,int>
#define vi vector<int>
#define ff first
#define ss second
void op(vector<int> &a, vector<int> &A, vector<int> &B){
if(a.size() <= 1){
A = a;
B.pb(0);
return;
}
A.pb(a[0]);
A.pb(a[1]);
B.pb(0);
B.pb(1);
for(int i = 2; i < a.size(); ++i){
if(a[i] > A.back() && A.back() > A[int(A.size()) - 2]){
A.pop_back();
B.pop_back();
A.pb(a[i]);
B.pb(i);
}else if(a[i] < A.back() && A.back() < A[int(A.size()) - 2]){
A.pop_back();
B.pop_back();
A.pb(a[i]);
B.pb(i);
}else{
A.pb(a[i]);
B.pb(i);
}
}
}
int n;
vector<int> A, B, A2, A1, B1, B2;
void init(int nn, std::vector<int> a) { n=nn;
if(n == 1) return;
op(a, A, B);
vector<int> x, y;
for(int i = 0; i < A.size(); i += 2){
x.pb(A[i]);
}
for(int i = 1; i < A.size(); i += 2){
y.pb(A[i]);
}
// op(y, A2, B2);
// op(x, A1, B1);
}
int max_towers(int L, int R, int D) {
if(n == 1) return 1;
int l = L, r = R;
L = lower_bound(all(B), L) - B.begin();
R = upper_bound(all(B), R) - B.begin(); --R;
// cout << "f";
if(R < L) return min(r-l+1, 2);
if(L == R) return min(r-l+1, 2);
if(A[L] > A[L + 1]){
// if(L%2==0){
// int Lx = lower_bound(all(B1), L) - B1.begin();
// int Rx = upper_bound(all(B1), R) - B1.begin(); --Rx;
// if((Rx-Lx+1)/2 > max(min(2,r-l+1),(R-L+1)/2)) return (Rx-Lx+1)/2;
// }
// if(L%2==1){
// int Lx = lower_bound(all(B2), L) - B2.begin();
// int Rx = upper_bound(all(B2), R) - B2.begin(); --Rx;
// if((Rx-Lx+1)/2 > max(min(2,r-l+1),(R-L+1)/2)) return (Rx-Lx+1)/2;
// }
return max(min(2,r-l+1),(R-L+2)/2);
}
return max(min(2,r-l+1), (R-L+2)/2);
}
Compilation message
towers.cpp: In function 'void op(std::vector<int>&, std::vector<int>&, std::vector<int>&)':
towers.cpp:24:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | for(int i = 2; i < a.size(); ++i){
| ~~^~~~~~~~~~
towers.cpp: In function 'void init(int, std::vector<int>)':
towers.cpp:48:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | for(int i = 0; i < A.size(); i += 2){
| ~~^~~~~~~~~~
towers.cpp:51:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | for(int i = 1; i < A.size(); i += 2){
| ~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
260 ms |
856 KB |
1st lines differ - on the 1st token, expected: '1', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
1st lines differ - on the 1st token, expected: '13', found: '17' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
1st lines differ - on the 1st token, expected: '13', found: '17' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
461 ms |
2252 KB |
12th lines differ - on the 1st token, expected: '2813', found: '2814' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
128 ms |
856 KB |
1st lines differ - on the 1st token, expected: '7197', found: '8004' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
1st lines differ - on the 1st token, expected: '13', found: '17' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
260 ms |
856 KB |
1st lines differ - on the 1st token, expected: '1', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
