7527 | 2024. 01. 09 13:27:26 | TuruTamas | Áruszállítás üres szakaszai | cpp17 | Elfogadva 50/50 | 37ms | 19736 KiB |
/******************************************************************************
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#include <iostream>
using namespace std;
typedef long long ll;
ll N, M, a, b, r, valsum;
ll tomb[1000000];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cin >> N >> M;
for (ll m = 0; m < M; m++) {
cin >> a >> b;
a--; b--;
tomb[a]++;
tomb[b]--;
}
bool f = false;
for (ll n = 0; n < N; n++) {
valsum += tomb[n];
if (valsum == 0 && !f && n != N-1) {
r++;
f = true;
}
else if (tomb[n] != 0) {
f = false;
}
}
cout << r << endl;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1896 KiB | |||
2 | Elfogadva | 0/0 | 35ms | 17724 KiB | |||
3 | Elfogadva | 2/2 | 3ms | 2228 KiB | |||
4 | Elfogadva | 2/2 | 3ms | 2444 KiB | |||
5 | Elfogadva | 2/2 | 3ms | 2652 KiB | |||
6 | Elfogadva | 2/2 | 3ms | 2864 KiB | |||
7 | Elfogadva | 2/2 | 3ms | 2948 KiB | |||
8 | Elfogadva | 2/2 | 3ms | 3108 KiB | |||
9 | Elfogadva | 2/2 | 3ms | 3328 KiB | |||
10 | Elfogadva | 2/2 | 3ms | 3408 KiB | |||
11 | Elfogadva | 2/2 | 3ms | 3944 KiB | |||
12 | Elfogadva | 2/2 | 3ms | 4908 KiB | |||
13 | Elfogadva | 3/3 | 4ms | 5228 KiB | |||
14 | Elfogadva | 3/3 | 7ms | 6944 KiB | |||
15 | Elfogadva | 3/3 | 4ms | 7080 KiB | |||
16 | Elfogadva | 3/3 | 24ms | 5536 KiB | |||
17 | Elfogadva | 3/3 | 25ms | 5492 KiB | |||
18 | Elfogadva | 3/3 | 28ms | 5568 KiB | |||
19 | Elfogadva | 3/3 | 8ms | 10240 KiB | |||
20 | Elfogadva | 3/3 | 8ms | 11792 KiB | |||
21 | Elfogadva | 3/3 | 37ms | 19660 KiB | |||
22 | Elfogadva | 3/3 | 37ms | 19736 KiB |