| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 596026 |
2022-07-14T09:22:04 Z |
장태환(#8443) |
IOI Fever (JOI21_fever) |
C++17 |
|
1 ms |
360 KB |
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;
vector<int>pos;
int arr[400100];
struct pq
{
int* q;
void init(vector<int>v)
{
q = (int*)calloc(v.size() * 2 + 3, sizeof(int));
int i;
for (i = 0; i < v.size(); i++)
q[i + 1] = v[i];
}
inline int up(int n)
{
if (q[1] <= n)
{
return n;
}
int rv = q[1];
int i = 1;
T:
if (q[i * 2] <= q[i * 2 + 1])
{
if (q[i * 2 + 1] <= n)
{
q[i] = n;
return rv;
}
q[i] = q[i * 2 + 1];
i = i * 2 + 1;
}
else
{
if (q[i * 2] <= n)
{
q[i] = n;
return rv;
}
q[i] = q[i * 2];
i = i * 2;
}
goto T;
}
};
pq poss[50100];
int q[25100][3];
int main()
{
int N, M;
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> N >> M;
int i;
for (i = 0; i < N; i++)
{
cin >> arr[i];
}
for (i = 0; i < M; i++)
{
int a, b, c;
cin >> a >> b >> c;
a--;
b--;
q[i][0] = a;
q[i][1] = b;
q[i][2] = c;
pos.push_back(a);
pos.push_back(b + 1);
}
pos.push_back(0);
pos.push_back(N);
sort(pos.begin(), pos.end());
pos.erase(unique(pos.begin(), pos.end()), pos.end());
for (i = 0; i < pos.size() - 1; i++)
{
vector<int>x;
int j;
for (j = pos[i]; j < pos[i + 1]; j++)
{
x.push_back(arr[j]);
}
sort(x.begin(), x.end());
reverse(x.begin(), x.end());
poss[i].init(x);
}
int lm = pos.size() - 1;
for (i = 0; i < M; i++)
{
int a = lower_bound(pos.begin(), pos.end(), q[i][0]) - pos.begin();
int b = lower_bound(pos.begin(), pos.end(), q[i][1] + 1) - pos.begin();
int j;
int c = q[i][2];
if (q[i][0] > q[i][1])
{
for (j = a; j < lm; j++)
{
c = poss[j].up(c);
}
for (j = 0; j < b; j++)
{
c = poss[j].up(c);
}
}
else
{
for (j = a; j < b; j++)
{
c = poss[j].up(c);
}
}
cout << c << '\n';
}
}
Compilation message
fever.cpp: In member function 'void pq::init(std::vector<int>)':
fever.cpp:15:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for (i = 0; i < v.size(); i++)
| ~~^~~~~~~~~~
fever.cpp: In function 'int main()':
fever.cpp:80:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for (i = 0; i < pos.size() - 1; i++)
| ~~^~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
360 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
