#include <bits/stdc++.h>
using namespace std;
constexpr int maxn = 2e5+10;
struct Itv {
int l, r, qtd; // subtasks 1-4 qtd == 1 so I can ignore it for what I'm going to code
} itv[maxn];
int a[maxn]; // quantos caras precisam passar por cada pos
vector<int> opa[maxn];
bool check(int qtd_mov, int M, int sz) {
vector<int> mov(sz+1);
for(int i = 1; i <= sz; i++)
mov[i] = (a[i] + qtd_mov - M + 1) / 2;
priority_queue<int> q;
vector<int> add_lazy(sz+1);
int usados = 0, lazy = 0;
for(int i = 1; i <= sz; i++) {
for(int x : opa[i])
q.push(x);
lazy += add_lazy[i];
mov[i] += lazy;
while(mov[i] > 0) {
if(!q.size() || q.top() <= i) return 0; // não da pra fazer
--mov[i];
--lazy;
add_lazy[q.top()]++;
q.pop();
usados++;
}
}
// printf("%d %d\n", usados, qtd_mov);
return usados == qtd_mov;
}
int main() {
int sz, n; scanf("%d %d", &sz, &n);
for(int i = 0; i < n; i++) {
scanf("%d %d %d", &itv[i].l, &itv[i].r, &itv[i].qtd);
if(itv[i].l > itv[i].r) swap(itv[i].l, itv[i].r);
a[itv[i].l]++, a[itv[i].r]--;
opa[itv[i].l].push_back(itv[i].r);
}
int mx = 0;
for(int i = 1; i <= sz; i++)
a[i] += a[i-1], mx = max(mx, a[i]);
int L = 0, R = mx, ans = -1;
while(L <= R) {
int M = (L+R) >> 1;
int qtd_mov = mx - M;
// a[i] + qtd_mov - 2*mov[i] <= M
// 2*mov[i] >= a[i] + qtd_mov - M
// mov[i] >= ceiling( (a[i] + qtd_mov - M) / 2 )
// mov[i] >= (a[i] + qtd_mov - M + 1) / 2
if(check(qtd_mov, M, sz) || check(qtd_mov+1, M, sz))
ans = M, R = M-1;
else
L = M+1;
// printf("%d\n", M);
}
printf("%d\n", ans);
}
Compilation message
arranging_tickets.cpp: In function 'int main()':
arranging_tickets.cpp:44:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
44 | int sz, n; scanf("%d %d", &sz, &n);
| ~~~~~^~~~~~~~~~~~~~~~~~
arranging_tickets.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
46 | scanf("%d %d %d", &itv[i].l, &itv[i].r, &itv[i].qtd);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
4 ms |
5008 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
4 ms |
5008 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 27 |
Correct |
3 ms |
4948 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
4 ms |
5008 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 27 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 28 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 29 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 30 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 31 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 32 |
Correct |
6 ms |
5084 KB |
Output is correct |
| 33 |
Correct |
5 ms |
5148 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
6 ms |
5088 KB |
Output is correct |
| 36 |
Correct |
6 ms |
5152 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 39 |
Correct |
4 ms |
5152 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
4 ms |
5008 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 27 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 28 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 29 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 30 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 31 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 32 |
Correct |
6 ms |
5084 KB |
Output is correct |
| 33 |
Correct |
5 ms |
5148 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
6 ms |
5088 KB |
Output is correct |
| 36 |
Correct |
6 ms |
5152 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 39 |
Correct |
4 ms |
5152 KB |
Output is correct |
| 40 |
Correct |
259 ms |
12868 KB |
Output is correct |
| 41 |
Correct |
200 ms |
12924 KB |
Output is correct |
| 42 |
Correct |
169 ms |
12472 KB |
Output is correct |
| 43 |
Correct |
241 ms |
12584 KB |
Output is correct |
| 44 |
Correct |
227 ms |
12784 KB |
Output is correct |
| 45 |
Correct |
277 ms |
12276 KB |
Output is correct |
| 46 |
Correct |
202 ms |
12408 KB |
Output is correct |
| 47 |
Correct |
74 ms |
12108 KB |
Output is correct |
| 48 |
Correct |
74 ms |
11936 KB |
Output is correct |
| 49 |
Correct |
77 ms |
11168 KB |
Output is correct |
| 50 |
Correct |
62 ms |
12488 KB |
Output is correct |
| 51 |
Correct |
56 ms |
11684 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
4 ms |
5008 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 27 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 28 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 29 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 30 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 31 |
Correct |
6 ms |
5076 KB |
Output is correct |
| 32 |
Correct |
6 ms |
5084 KB |
Output is correct |
| 33 |
Correct |
5 ms |
5148 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
6 ms |
5088 KB |
Output is correct |
| 36 |
Correct |
6 ms |
5152 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 39 |
Correct |
4 ms |
5152 KB |
Output is correct |
| 40 |
Correct |
259 ms |
12868 KB |
Output is correct |
| 41 |
Correct |
200 ms |
12924 KB |
Output is correct |
| 42 |
Correct |
169 ms |
12472 KB |
Output is correct |
| 43 |
Correct |
241 ms |
12584 KB |
Output is correct |
| 44 |
Correct |
227 ms |
12784 KB |
Output is correct |
| 45 |
Correct |
277 ms |
12276 KB |
Output is correct |
| 46 |
Correct |
202 ms |
12408 KB |
Output is correct |
| 47 |
Correct |
74 ms |
12108 KB |
Output is correct |
| 48 |
Correct |
74 ms |
11936 KB |
Output is correct |
| 49 |
Correct |
77 ms |
11168 KB |
Output is correct |
| 50 |
Correct |
62 ms |
12488 KB |
Output is correct |
| 51 |
Correct |
56 ms |
11684 KB |
Output is correct |
| 52 |
Incorrect |
195 ms |
13752 KB |
Output isn't correct |
| 53 |
Halted |
0 ms |
0 KB |
- |
