| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1067265 |
2024-08-20T13:41:31 Z |
slivajan |
Fire (BOI24_fire) |
C++17 |
|
362 ms |
43400 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long un;
typedef vector<un> vuc;
typedef pair<un, un> pun;
#define REP(i, a, b) for (un i = (un)a; i < (un)b; i++)
#define FEAC(i, a) for (auto&& i : a)
#define vec vector
#define ALL(x) (x).begin(), (x).end()
#define DEB(x) cerr << #x << " = " << (x) << endl;
int main(){
un N, M;
cin >> N >> M;
vec<pun> vstup;
map<un, un> mapa;
REP(i, 0, N){
un a, b;
cin >> a >> b;
vstup.push_back({a, b});
mapa[a] = 0;
mapa[b] = 0;
}
vuc imapa;
un counter = 0;
FEAC(kv, mapa){
un key;
tie(key, ignore) = kv;
mapa[key] = counter;
counter++;
imapa.push_back(key);
}
sort(ALL(vstup));
un K = imapa.size();
vuc delky(K, 0);
FEAC(kd, vstup){
un key, destination;
tie(key, destination) = kd;
delky[mapa[key]] = (M+destination-key) % M;
}
un curr = 0;
REP(ign, 0, 2){
REP(i, 0, K){
curr -= (M+imapa[i] - imapa[(K+i-1)%K]) % M;
curr = max(curr, delky[i]);
delky[i] = curr;
}
}
vuc visited(K, 0);
un ptr = 0;
un time = 1;
while(not visited[ptr]){
visited[ptr] = time;
if (delky[ptr] == 0) {
cout << -1 << endl;
return 0;
}
ptr = mapa[(imapa[ptr] + delky[ptr]) % M];
time++;
}
cout << time - visited[ptr] << endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
6 ms |
1368 KB |
Output is correct |
| 16 |
Correct |
4 ms |
1024 KB |
Output is correct |
| 17 |
Correct |
4 ms |
860 KB |
Output is correct |
| 18 |
Correct |
5 ms |
888 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1372 KB |
Output is correct |
| 20 |
Correct |
42 ms |
5840 KB |
Output is correct |
| 21 |
Correct |
362 ms |
41776 KB |
Output is correct |
| 22 |
Correct |
342 ms |
43400 KB |
Output is correct |
| 23 |
Correct |
222 ms |
23988 KB |
Output is correct |
| 24 |
Correct |
356 ms |
42036 KB |
Output is correct |
| 25 |
Correct |
230 ms |
21172 KB |
Output is correct |
| 26 |
Correct |
243 ms |
24884 KB |
Output is correct |
| 27 |
Correct |
266 ms |
25512 KB |
Output is correct |
| 28 |
Correct |
305 ms |
41088 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
604 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 10 |
Halted |
0 ms |
0 KB |
- |
