//Challenge: Accepted
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
while (l != r) cout << *l << " ", l++;
cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 100005
#define pii pair<ll, ll>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
const ll inf = 1LL<<60;
pii a[maxn];
ll cost[maxn], ans[4*maxn];
vector<pii> ev[4 * maxn];
vector<ll> del[4*maxn];
int main() {
io
int L, n;
cin >> L >> n;
vector<int> vx;
for (int i = 1;i <= n;i++) {
int t, l, r, c;
cin >> t >> l >> r >> c;
a[i] = {l, r};
cost[i] = c;
vx.push_back(l), vx.push_back(r), vx.push_back(l-1), vx.push_back(r+1);
}
sort(vx.begin(), vx.end());
vx.resize(int(unique(vx.begin(), vx.end()) - vx.begin()));
for (int i = 1;i <= n;i++) {
a[i].ff = lower_bound(vx.begin(), vx.end(), a[i].ff) - vx.begin();
a[i].ss = lower_bound(vx.begin(), vx.end(), a[i].ss) - vx.begin();
ev[a[i].ff - 1].push_back({a[i].ss + 1, cost[i]});
}
if (vx[0] != 0 || vx.back() != L+1) {
cout << -1 << endl;
return 0;
}
multiset<ll> se;
se.insert(0);
del[1].push_back(0);
bool poss = 1;
for (int i = 0;i < vx.size()-1;i++) {
for (auto j:del[i]) {
se.erase(se.find(j));
}
for (auto [t, c]:ev[i]) {
if (se.size() == 0) {
poss = 0;
break;
}
ll val = c + *se.begin();
del[t].push_back(val);
se.insert(val);
}
}
if (se.size() == 0) poss = 0;
if (poss) cout << *se.begin() << "\n";
else cout << -1 << endl;
}
Compilation message
treatment.cpp: In function 'int main()':
treatment.cpp:53:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for (int i = 0;i < vx.size()-1;i++) {
| ~~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
139 ms |
30292 KB |
Output is correct |
2 |
Correct |
114 ms |
30612 KB |
Output is correct |
3 |
Correct |
124 ms |
31044 KB |
Output is correct |
4 |
Correct |
110 ms |
31040 KB |
Output is correct |
5 |
Correct |
120 ms |
28516 KB |
Output is correct |
6 |
Correct |
86 ms |
29080 KB |
Output is correct |
7 |
Correct |
108 ms |
30228 KB |
Output is correct |
8 |
Correct |
77 ms |
27736 KB |
Output is correct |
9 |
Correct |
84 ms |
28164 KB |
Output is correct |
10 |
Correct |
76 ms |
28856 KB |
Output is correct |
11 |
Correct |
169 ms |
33636 KB |
Output is correct |
12 |
Correct |
216 ms |
33728 KB |
Output is correct |
13 |
Correct |
152 ms |
32316 KB |
Output is correct |
14 |
Correct |
164 ms |
32320 KB |
Output is correct |
15 |
Correct |
160 ms |
32324 KB |
Output is correct |
16 |
Correct |
147 ms |
32364 KB |
Output is correct |
17 |
Correct |
147 ms |
31524 KB |
Output is correct |
18 |
Correct |
177 ms |
32912 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
19008 KB |
Output is correct |
2 |
Incorrect |
11 ms |
19124 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
19008 KB |
Output is correct |
2 |
Incorrect |
11 ms |
19124 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
139 ms |
30292 KB |
Output is correct |
2 |
Correct |
114 ms |
30612 KB |
Output is correct |
3 |
Correct |
124 ms |
31044 KB |
Output is correct |
4 |
Correct |
110 ms |
31040 KB |
Output is correct |
5 |
Correct |
120 ms |
28516 KB |
Output is correct |
6 |
Correct |
86 ms |
29080 KB |
Output is correct |
7 |
Correct |
108 ms |
30228 KB |
Output is correct |
8 |
Correct |
77 ms |
27736 KB |
Output is correct |
9 |
Correct |
84 ms |
28164 KB |
Output is correct |
10 |
Correct |
76 ms |
28856 KB |
Output is correct |
11 |
Correct |
169 ms |
33636 KB |
Output is correct |
12 |
Correct |
216 ms |
33728 KB |
Output is correct |
13 |
Correct |
152 ms |
32316 KB |
Output is correct |
14 |
Correct |
164 ms |
32320 KB |
Output is correct |
15 |
Correct |
160 ms |
32324 KB |
Output is correct |
16 |
Correct |
147 ms |
32364 KB |
Output is correct |
17 |
Correct |
147 ms |
31524 KB |
Output is correct |
18 |
Correct |
177 ms |
32912 KB |
Output is correct |
19 |
Correct |
13 ms |
19008 KB |
Output is correct |
20 |
Incorrect |
11 ms |
19124 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |