#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
constexpr ll INF = 1e18;
constexpr int INF2 = 2e9;
ll dist[100100];
struct Fenwick{
vector<pair<int, int>> tree[100100];
int sz;
void init(int n){sz = n;}
void init2(){for (int i=0;i<=sz;i++) sort(tree[i].begin(), tree[i].end(), greater<pair<int, int>>());}
void update(int x, int y, int i){
while(x<=sz){
tree[x].emplace_back(y, i);
x += x&-x;
}
}
pair<int, int> query(int x){
pair<int, int> ret = {INF2, 0};
while(x){
while(!tree[x].empty() && dist[tree[x].back().second]!=INF) tree[x].pop_back();
if (!tree[x].empty()) ret = min(ret, tree[x].back());
x -= x&-x;
}
return ret;
}
int pop(int x, int y){
auto [val, idx] = query(x);
if (val>y) return 0;
return idx;
}
}tree;
int T[100100], L[100100], R[100100], C[100100];
void compress(vector<int> &v) {sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end());}
inline int getidx(const vector<int> &v, int x) {return lower_bound(v.begin(), v.end(), x) - v.begin();}
inline int getidx2(const vector<int> &v, int x) {return upper_bound(v.begin(), v.end(), x) - v.begin() - 1;}
int main(){
int X, n;
scanf("%d %d", &X, &n);
vector<int> x;
x.push_back(-INF2);
for (int i=1;i<=n;i++){
scanf("%d %d %d %d", T+i, L+i, R+i, C+i);
x.push_back(L[i] + T[i]);
}
compress(x);
tree.init(n+2);
fill(dist+1, dist+n+1, INF);
priority_queue<pair<ll, int>, vector<pair<ll, int>>, greater<pair<ll, int>>> pq;
for (int i=1;i<=n;i++){
tree.update(getidx(x, L[i]+T[i]), L[i]-T[i], i);
if (L[i]==1){
dist[i] = C[i];
pq.emplace(C[i], i);
}
}
tree.init2();
while(!pq.empty()){
auto [c, s] = pq.top(); pq.pop();
int xc = getidx2(x, R[s]+1+T[s]), yc = R[s]+1-T[s], v;
while(true){
v = tree.pop(xc, yc);
if (!v) break;
dist[v] = c + C[v];
pq.emplace(dist[v], v);
}
}
ll ans = INF;
for (int i=1;i<=n;i++) if (R[i]==X) ans = min(ans, dist[i]);
printf("%lld\n", ans==INF?-1:ans);
return 0;
}
Compilation message
treatment.cpp: In member function 'int Fenwick::pop(int, int)':
treatment.cpp:29:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
29 | auto [val, idx] = query(x);
| ^
treatment.cpp: In function 'int main()':
treatment.cpp:67:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
67 | auto [c, s] = pq.top(); pq.pop();
| ^
treatment.cpp:42:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | scanf("%d %d", &X, &n);
| ~~~~~^~~~~~~~~~~~~~~~~
treatment.cpp:47:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
47 | scanf("%d %d %d %d", T+i, L+i, R+i, C+i);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
153 ms |
14212 KB |
Output is correct |
2 |
Correct |
176 ms |
17312 KB |
Output is correct |
3 |
Correct |
148 ms |
19772 KB |
Output is correct |
4 |
Correct |
146 ms |
18992 KB |
Output is correct |
5 |
Correct |
200 ms |
22872 KB |
Output is correct |
6 |
Correct |
150 ms |
19524 KB |
Output is correct |
7 |
Correct |
160 ms |
19400 KB |
Output is correct |
8 |
Correct |
163 ms |
20856 KB |
Output is correct |
9 |
Correct |
149 ms |
19624 KB |
Output is correct |
10 |
Correct |
128 ms |
19412 KB |
Output is correct |
11 |
Correct |
161 ms |
20984 KB |
Output is correct |
12 |
Correct |
173 ms |
20808 KB |
Output is correct |
13 |
Correct |
201 ms |
21012 KB |
Output is correct |
14 |
Correct |
171 ms |
20880 KB |
Output is correct |
15 |
Correct |
182 ms |
18264 KB |
Output is correct |
16 |
Correct |
153 ms |
18292 KB |
Output is correct |
17 |
Correct |
186 ms |
17852 KB |
Output is correct |
18 |
Correct |
161 ms |
20432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
3 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2636 KB |
Output is correct |
4 |
Correct |
1 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2576 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
2 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2656 KB |
Output is correct |
18 |
Correct |
2 ms |
2636 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
3 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2636 KB |
Output is correct |
4 |
Correct |
1 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2576 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
2 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2656 KB |
Output is correct |
18 |
Correct |
2 ms |
2636 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
20 |
Correct |
11 ms |
3328 KB |
Output is correct |
21 |
Correct |
10 ms |
3424 KB |
Output is correct |
22 |
Correct |
8 ms |
3292 KB |
Output is correct |
23 |
Correct |
7 ms |
3304 KB |
Output is correct |
24 |
Correct |
8 ms |
3432 KB |
Output is correct |
25 |
Correct |
8 ms |
3288 KB |
Output is correct |
26 |
Correct |
7 ms |
3276 KB |
Output is correct |
27 |
Correct |
6 ms |
3304 KB |
Output is correct |
28 |
Correct |
8 ms |
3396 KB |
Output is correct |
29 |
Correct |
8 ms |
3320 KB |
Output is correct |
30 |
Correct |
6 ms |
3276 KB |
Output is correct |
31 |
Correct |
5 ms |
3320 KB |
Output is correct |
32 |
Correct |
9 ms |
3560 KB |
Output is correct |
33 |
Correct |
8 ms |
3560 KB |
Output is correct |
34 |
Correct |
8 ms |
3268 KB |
Output is correct |
35 |
Correct |
10 ms |
3436 KB |
Output is correct |
36 |
Correct |
8 ms |
3404 KB |
Output is correct |
37 |
Correct |
7 ms |
3276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
153 ms |
14212 KB |
Output is correct |
2 |
Correct |
176 ms |
17312 KB |
Output is correct |
3 |
Correct |
148 ms |
19772 KB |
Output is correct |
4 |
Correct |
146 ms |
18992 KB |
Output is correct |
5 |
Correct |
200 ms |
22872 KB |
Output is correct |
6 |
Correct |
150 ms |
19524 KB |
Output is correct |
7 |
Correct |
160 ms |
19400 KB |
Output is correct |
8 |
Correct |
163 ms |
20856 KB |
Output is correct |
9 |
Correct |
149 ms |
19624 KB |
Output is correct |
10 |
Correct |
128 ms |
19412 KB |
Output is correct |
11 |
Correct |
161 ms |
20984 KB |
Output is correct |
12 |
Correct |
173 ms |
20808 KB |
Output is correct |
13 |
Correct |
201 ms |
21012 KB |
Output is correct |
14 |
Correct |
171 ms |
20880 KB |
Output is correct |
15 |
Correct |
182 ms |
18264 KB |
Output is correct |
16 |
Correct |
153 ms |
18292 KB |
Output is correct |
17 |
Correct |
186 ms |
17852 KB |
Output is correct |
18 |
Correct |
161 ms |
20432 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
20 |
Correct |
3 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
22 |
Correct |
1 ms |
2636 KB |
Output is correct |
23 |
Correct |
2 ms |
2636 KB |
Output is correct |
24 |
Correct |
2 ms |
2636 KB |
Output is correct |
25 |
Correct |
2 ms |
2636 KB |
Output is correct |
26 |
Correct |
2 ms |
2576 KB |
Output is correct |
27 |
Correct |
2 ms |
2652 KB |
Output is correct |
28 |
Correct |
2 ms |
2636 KB |
Output is correct |
29 |
Correct |
2 ms |
2636 KB |
Output is correct |
30 |
Correct |
2 ms |
2636 KB |
Output is correct |
31 |
Correct |
2 ms |
2636 KB |
Output is correct |
32 |
Correct |
2 ms |
2636 KB |
Output is correct |
33 |
Correct |
2 ms |
2636 KB |
Output is correct |
34 |
Correct |
1 ms |
2636 KB |
Output is correct |
35 |
Correct |
2 ms |
2656 KB |
Output is correct |
36 |
Correct |
2 ms |
2636 KB |
Output is correct |
37 |
Correct |
2 ms |
2636 KB |
Output is correct |
38 |
Correct |
11 ms |
3328 KB |
Output is correct |
39 |
Correct |
10 ms |
3424 KB |
Output is correct |
40 |
Correct |
8 ms |
3292 KB |
Output is correct |
41 |
Correct |
7 ms |
3304 KB |
Output is correct |
42 |
Correct |
8 ms |
3432 KB |
Output is correct |
43 |
Correct |
8 ms |
3288 KB |
Output is correct |
44 |
Correct |
7 ms |
3276 KB |
Output is correct |
45 |
Correct |
6 ms |
3304 KB |
Output is correct |
46 |
Correct |
8 ms |
3396 KB |
Output is correct |
47 |
Correct |
8 ms |
3320 KB |
Output is correct |
48 |
Correct |
6 ms |
3276 KB |
Output is correct |
49 |
Correct |
5 ms |
3320 KB |
Output is correct |
50 |
Correct |
9 ms |
3560 KB |
Output is correct |
51 |
Correct |
8 ms |
3560 KB |
Output is correct |
52 |
Correct |
8 ms |
3268 KB |
Output is correct |
53 |
Correct |
10 ms |
3436 KB |
Output is correct |
54 |
Correct |
8 ms |
3404 KB |
Output is correct |
55 |
Correct |
7 ms |
3276 KB |
Output is correct |
56 |
Correct |
174 ms |
17872 KB |
Output is correct |
57 |
Correct |
200 ms |
19224 KB |
Output is correct |
58 |
Correct |
148 ms |
17996 KB |
Output is correct |
59 |
Correct |
178 ms |
18104 KB |
Output is correct |
60 |
Correct |
155 ms |
17608 KB |
Output is correct |
61 |
Correct |
168 ms |
18036 KB |
Output is correct |
62 |
Correct |
158 ms |
17876 KB |
Output is correct |
63 |
Correct |
148 ms |
17436 KB |
Output is correct |
64 |
Correct |
163 ms |
17460 KB |
Output is correct |
65 |
Correct |
168 ms |
17464 KB |
Output is correct |
66 |
Correct |
161 ms |
17632 KB |
Output is correct |
67 |
Correct |
193 ms |
19384 KB |
Output is correct |
68 |
Correct |
159 ms |
18716 KB |
Output is correct |
69 |
Correct |
129 ms |
18760 KB |
Output is correct |
70 |
Correct |
194 ms |
18896 KB |
Output is correct |
71 |
Correct |
159 ms |
18904 KB |
Output is correct |
72 |
Correct |
149 ms |
18912 KB |
Output is correct |
73 |
Correct |
195 ms |
18840 KB |
Output is correct |
74 |
Correct |
121 ms |
19388 KB |
Output is correct |
75 |
Correct |
98 ms |
18912 KB |
Output is correct |
76 |
Correct |
235 ms |
21040 KB |
Output is correct |
77 |
Correct |
182 ms |
21172 KB |
Output is correct |
78 |
Correct |
168 ms |
21200 KB |
Output is correct |
79 |
Correct |
199 ms |
18832 KB |
Output is correct |
80 |
Correct |
176 ms |
19000 KB |
Output is correct |
81 |
Correct |
128 ms |
18748 KB |
Output is correct |
82 |
Correct |
180 ms |
18392 KB |
Output is correct |
83 |
Correct |
166 ms |
18452 KB |
Output is correct |
84 |
Correct |
200 ms |
17232 KB |
Output is correct |
85 |
Correct |
150 ms |
19020 KB |
Output is correct |
86 |
Correct |
189 ms |
18800 KB |
Output is correct |
87 |
Correct |
153 ms |
19004 KB |
Output is correct |
88 |
Correct |
169 ms |
19796 KB |
Output is correct |
89 |
Correct |
179 ms |
18932 KB |
Output is correct |
90 |
Correct |
178 ms |
21300 KB |
Output is correct |
91 |
Correct |
177 ms |
19992 KB |
Output is correct |
92 |
Correct |
170 ms |
19180 KB |
Output is correct |
93 |
Correct |
186 ms |
18812 KB |
Output is correct |
94 |
Correct |
193 ms |
19220 KB |
Output is correct |
95 |
Correct |
183 ms |
19132 KB |
Output is correct |
96 |
Correct |
233 ms |
21252 KB |
Output is correct |
97 |
Correct |
176 ms |
21276 KB |
Output is correct |
98 |
Correct |
194 ms |
21424 KB |
Output is correct |
99 |
Correct |
177 ms |
21628 KB |
Output is correct |
100 |
Correct |
175 ms |
21956 KB |
Output is correct |
101 |
Correct |
173 ms |
21184 KB |
Output is correct |
102 |
Correct |
175 ms |
21784 KB |
Output is correct |
103 |
Correct |
155 ms |
18748 KB |
Output is correct |