#include <bits/stdc++.h>
using namespace std;
#define TRACE(x) cerr << #x << " :: " << x << endl
#define _ << " " <<
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for(int i=(a);i>=(b);--i)
typedef long long ll;
typedef pair<ll,ll> pll;
const int mxM = 100001;
int N, M;
struct Treat {
int T, L, R, C;
} treat[mxM];
bool vis[mxM];
vector<ll> vals;
priority_queue<pll,vector<pll>,greater<pll>> pq;
struct node {
int s, e, m;
vector<pll> v;
node *l, *r;
node(int s, int e): s(s), e(e), m((s+e)/2) {
if (s != e) {
l = new node(s,m);
r = new node(m+1,e);
}
}
void update(int a, pll b) {
if (s == e) v.push_back(b);
else if (a <= m) l->update(a,b);
else r->update(a,b);
}
void build() {
if (s == e) {
sort(v.rbegin(),v.rend());
} else {
l->build();
r->build();
auto& a = l->v, b = r->v;
for (int i = 0, j = 0; i < SZ(a) || j < SZ(b);) {
if (i < SZ(a) && (j == SZ(b) || a[i] > b[j]))
v.push_back(a[i++]);
else
v.push_back(b[j++]);
}
}
//cout << s _ e << ": ";
//for (auto& x : v) { cout << x.first _ x.second << ", "; } cout << endl;
}
void proc(int a, int b, ll x, ll w) {
if (a > b) return;
if (a <= s && e <= b) {
while (SZ(v) && v.back().first <= x) {
auto i = v.back().second; v.pop_back();
if (vis[i]) continue;
vis[i] = 1;
//cout << "PUSH" _ vals[treat[i].T] _ treat[i].L _ treat[i].R << endl;
pq.push(pll(w + treat[i].C, i));
}
} else {
if (a <= m) l->proc(a,b,x,w);
if (b > m) r->proc(a,b,x,w);
}
}
} *root1, *root2;
int main() {
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> N >> M;
FOR(i,1,M){
int T, L, R, C;
cin >> T >> L >> R >> C;
treat[i] = {T,L,R,C};
vals.push_back(T);
}
sort(ALL(vals));
vals.resize(unique(ALL(vals))-vals.begin());
root1 = new node(0,SZ(vals)-1);
root2 = new node(0,SZ(vals)-1);
memset(vis,0,sizeof vis);
FOR(i,1,M){
auto& t = treat[i];
t.T = lower_bound(ALL(vals),t.T)-vals.begin();
//cout << i _ t.T _ t.L+vals[t.T]-1 _ t.L-vals[t.T]-1 << endl;
//cout << i _ t.T _ t.R+vals[t.T] _ t.R-vals[t.T]-1 << endl;
if (t.L == 1) {
vis[i] = 1;
pq.push(pll(t.C,i));
} else {
root1->update(t.T, pll(t.L+vals[t.T]-1,i));
root2->update(t.T, pll(t.L-vals[t.T]-1,i));
}
}
root1->build();
root2->build();
while (!pq.empty()) {
auto [w, u] = pq.top(); pq.pop();
auto t = treat[u];
//TRACE(u _ vals[t.T] _ t.L _ t.R _ w);
if (t.R == N) {
cout << w << '\n';
return 0;
}
root1->proc(t.T, SZ(vals)-1, t.R+vals[t.T], w);
root2->proc(0, t.T-1, t.R-vals[t.T], w);
}
cout << -1 << '\n';
}
Compilation message
treatment.cpp: In function 'int main()':
treatment.cpp:113:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
113 | auto [w, u] = pq.top(); pq.pop();
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
5968 KB |
Output is correct |
2 |
Correct |
73 ms |
5920 KB |
Output is correct |
3 |
Correct |
74 ms |
6704 KB |
Output is correct |
4 |
Correct |
79 ms |
6596 KB |
Output is correct |
5 |
Correct |
75 ms |
8896 KB |
Output is correct |
6 |
Correct |
79 ms |
6100 KB |
Output is correct |
7 |
Correct |
76 ms |
5984 KB |
Output is correct |
8 |
Correct |
76 ms |
5936 KB |
Output is correct |
9 |
Correct |
69 ms |
5992 KB |
Output is correct |
10 |
Correct |
66 ms |
5912 KB |
Output is correct |
11 |
Correct |
78 ms |
8968 KB |
Output is correct |
12 |
Correct |
76 ms |
8888 KB |
Output is correct |
13 |
Correct |
80 ms |
8880 KB |
Output is correct |
14 |
Correct |
79 ms |
8976 KB |
Output is correct |
15 |
Correct |
83 ms |
6056 KB |
Output is correct |
16 |
Correct |
82 ms |
5960 KB |
Output is correct |
17 |
Correct |
74 ms |
5984 KB |
Output is correct |
18 |
Correct |
73 ms |
8960 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
432 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
308 KB |
Output is correct |
19 |
Correct |
1 ms |
316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
432 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
308 KB |
Output is correct |
19 |
Correct |
1 ms |
316 KB |
Output is correct |
20 |
Correct |
9 ms |
3532 KB |
Output is correct |
21 |
Correct |
10 ms |
3596 KB |
Output is correct |
22 |
Correct |
8 ms |
3264 KB |
Output is correct |
23 |
Correct |
8 ms |
3276 KB |
Output is correct |
24 |
Correct |
11 ms |
4896 KB |
Output is correct |
25 |
Correct |
15 ms |
5376 KB |
Output is correct |
26 |
Correct |
13 ms |
5400 KB |
Output is correct |
27 |
Correct |
13 ms |
5324 KB |
Output is correct |
28 |
Correct |
11 ms |
4812 KB |
Output is correct |
29 |
Correct |
13 ms |
5348 KB |
Output is correct |
30 |
Correct |
10 ms |
5316 KB |
Output is correct |
31 |
Correct |
10 ms |
5268 KB |
Output is correct |
32 |
Correct |
12 ms |
5452 KB |
Output is correct |
33 |
Correct |
11 ms |
5324 KB |
Output is correct |
34 |
Correct |
13 ms |
4536 KB |
Output is correct |
35 |
Correct |
11 ms |
5324 KB |
Output is correct |
36 |
Correct |
11 ms |
5448 KB |
Output is correct |
37 |
Correct |
13 ms |
4556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
76 ms |
5968 KB |
Output is correct |
2 |
Correct |
73 ms |
5920 KB |
Output is correct |
3 |
Correct |
74 ms |
6704 KB |
Output is correct |
4 |
Correct |
79 ms |
6596 KB |
Output is correct |
5 |
Correct |
75 ms |
8896 KB |
Output is correct |
6 |
Correct |
79 ms |
6100 KB |
Output is correct |
7 |
Correct |
76 ms |
5984 KB |
Output is correct |
8 |
Correct |
76 ms |
5936 KB |
Output is correct |
9 |
Correct |
69 ms |
5992 KB |
Output is correct |
10 |
Correct |
66 ms |
5912 KB |
Output is correct |
11 |
Correct |
78 ms |
8968 KB |
Output is correct |
12 |
Correct |
76 ms |
8888 KB |
Output is correct |
13 |
Correct |
80 ms |
8880 KB |
Output is correct |
14 |
Correct |
79 ms |
8976 KB |
Output is correct |
15 |
Correct |
83 ms |
6056 KB |
Output is correct |
16 |
Correct |
82 ms |
5960 KB |
Output is correct |
17 |
Correct |
74 ms |
5984 KB |
Output is correct |
18 |
Correct |
73 ms |
8960 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
432 KB |
Output is correct |
26 |
Correct |
1 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
308 KB |
Output is correct |
37 |
Correct |
1 ms |
316 KB |
Output is correct |
38 |
Correct |
9 ms |
3532 KB |
Output is correct |
39 |
Correct |
10 ms |
3596 KB |
Output is correct |
40 |
Correct |
8 ms |
3264 KB |
Output is correct |
41 |
Correct |
8 ms |
3276 KB |
Output is correct |
42 |
Correct |
11 ms |
4896 KB |
Output is correct |
43 |
Correct |
15 ms |
5376 KB |
Output is correct |
44 |
Correct |
13 ms |
5400 KB |
Output is correct |
45 |
Correct |
13 ms |
5324 KB |
Output is correct |
46 |
Correct |
11 ms |
4812 KB |
Output is correct |
47 |
Correct |
13 ms |
5348 KB |
Output is correct |
48 |
Correct |
10 ms |
5316 KB |
Output is correct |
49 |
Correct |
10 ms |
5268 KB |
Output is correct |
50 |
Correct |
12 ms |
5452 KB |
Output is correct |
51 |
Correct |
11 ms |
5324 KB |
Output is correct |
52 |
Correct |
13 ms |
4536 KB |
Output is correct |
53 |
Correct |
11 ms |
5324 KB |
Output is correct |
54 |
Correct |
11 ms |
5448 KB |
Output is correct |
55 |
Correct |
13 ms |
4556 KB |
Output is correct |
56 |
Correct |
266 ms |
71040 KB |
Output is correct |
57 |
Correct |
276 ms |
70624 KB |
Output is correct |
58 |
Correct |
283 ms |
85344 KB |
Output is correct |
59 |
Correct |
291 ms |
85720 KB |
Output is correct |
60 |
Correct |
209 ms |
68388 KB |
Output is correct |
61 |
Correct |
304 ms |
85312 KB |
Output is correct |
62 |
Correct |
273 ms |
71116 KB |
Output is correct |
63 |
Correct |
341 ms |
105816 KB |
Output is correct |
64 |
Correct |
330 ms |
105800 KB |
Output is correct |
65 |
Correct |
85 ms |
14640 KB |
Output is correct |
66 |
Correct |
191 ms |
68356 KB |
Output is correct |
67 |
Correct |
379 ms |
106388 KB |
Output is correct |
68 |
Correct |
327 ms |
106360 KB |
Output is correct |
69 |
Correct |
307 ms |
103488 KB |
Output is correct |
70 |
Correct |
420 ms |
106488 KB |
Output is correct |
71 |
Correct |
361 ms |
106396 KB |
Output is correct |
72 |
Correct |
319 ms |
106512 KB |
Output is correct |
73 |
Correct |
418 ms |
106240 KB |
Output is correct |
74 |
Correct |
220 ms |
106552 KB |
Output is correct |
75 |
Correct |
217 ms |
106340 KB |
Output is correct |
76 |
Correct |
273 ms |
93856 KB |
Output is correct |
77 |
Correct |
303 ms |
106520 KB |
Output is correct |
78 |
Correct |
340 ms |
93628 KB |
Output is correct |
79 |
Correct |
470 ms |
106620 KB |
Output is correct |
80 |
Correct |
451 ms |
92644 KB |
Output is correct |
81 |
Correct |
302 ms |
106512 KB |
Output is correct |
82 |
Correct |
418 ms |
91660 KB |
Output is correct |
83 |
Correct |
465 ms |
105516 KB |
Output is correct |
84 |
Correct |
465 ms |
105628 KB |
Output is correct |
85 |
Correct |
372 ms |
106392 KB |
Output is correct |
86 |
Correct |
385 ms |
106400 KB |
Output is correct |
87 |
Correct |
391 ms |
106444 KB |
Output is correct |
88 |
Correct |
396 ms |
106416 KB |
Output is correct |
89 |
Correct |
397 ms |
106532 KB |
Output is correct |
90 |
Correct |
287 ms |
107756 KB |
Output is correct |
91 |
Correct |
306 ms |
106588 KB |
Output is correct |
92 |
Correct |
394 ms |
106520 KB |
Output is correct |
93 |
Correct |
447 ms |
106548 KB |
Output is correct |
94 |
Correct |
448 ms |
106592 KB |
Output is correct |
95 |
Correct |
403 ms |
106508 KB |
Output is correct |
96 |
Correct |
287 ms |
106456 KB |
Output is correct |
97 |
Correct |
303 ms |
107936 KB |
Output is correct |
98 |
Correct |
290 ms |
108000 KB |
Output is correct |
99 |
Correct |
302 ms |
107656 KB |
Output is correct |
100 |
Correct |
284 ms |
103596 KB |
Output is correct |
101 |
Correct |
310 ms |
108020 KB |
Output is correct |
102 |
Correct |
297 ms |
108160 KB |
Output is correct |
103 |
Correct |
355 ms |
106572 KB |
Output is correct |