# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
596629 |
2022-07-14T22:22:17 Z |
Hacv16 |
Floppy (RMI20_floppy) |
C++17 |
|
58 ms |
6536 KB |
#include<bits/stdc++.h>
#include "floppy.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MAX = 2e6 + 15;
const int LOG = 20;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
#define pb push_back
#define sz(x) (int) x.size()
#define fr first
#define sc second
#define mp make_pair
#define all(x) x.begin(), x.end()
#define dbg(x) cout << #x << ": " << "[ " << x << " ]\n"
int v[MAX];
pii seg[4 * MAX];
string conv(int x, int log){
string aux = "";
for(int i = 0; i < log; i++){
if(x & (1 << i)) aux += "1";
else aux += "0";
}
return aux;
}
int findVal(string s){
int ret = 0;
for(int i = 0; i < sz(s); i++){
if(s[i] == '1') ret += (1 << i);
}
return ret;
}
void read_array(int subtask_id, const std::vector<int> &v){
string bits = "";
vector<int> nv = v;
set<int> aux;
map<int, int> comp;
for(auto x : nv) aux.insert(x);
int nval = 0;
for(auto x : aux)
comp[x] = nval++;
for(int i = 0; i < sz(nv); i++){
nv[i] = comp[nv[i]];
}
for(auto x : nv) bits += conv(x, LOG);
save_to_floppy(bits);
}
void build(ll p, ll l, ll r){
if(l == r){
seg[p] = {v[l], l};
return;
}
ll m = (l + r) / 2, e = 2 * p, d = e + 1;
build(e, l, m);
build(d, m + 1, r);
seg[p] = max(seg[e], seg[d]);
}
pii query(ll a, ll b, ll p, ll l, ll r){
if(b < l || a > r) return {-INF, -INF}; //no nulo
if(a <= l && r <= b) return seg[p];
ll m = (l + r) / 2, e = 2 * p, d = e + 1;
return max(query(a, b, e, l, m), query(a, b, d, m + 1, r));
}
vector<int> solve_queries(int subtask_id, int N, const std::string &bits, const std::vector<int> &a, const std::vector<int> &b){
vector<int> ans;
for(int i = 0, j = 1; i < sz(bits); i += LOG){
string curS = "";
for(int j = i; j < i + LOG; j++)
curS += bits[j];
v[j++] = findVal(curS);
}
build(1, 1, N);
int m = sz(a);
for(int i = 0; i < m; i++){
ans.pb(query(a[i] + 1, b[i] + 1, 1, 1, N).sc);
}
assert(sz(ans) == m);
return ans;
}
Compilation message
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
101 | if (query_answers.size() != M) {
| ~~~~~~~~~~~~~~~~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
796 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
47 ms |
4668 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
58 ms |
6536 KB |
L is too large |
2 |
Halted |
0 ms |
0 KB |
- |