#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/trie_policy.hpp>
#define pb push_back
#define mp make_pair
#define taskname "A"
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
typedef tree <int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
const int maxn = 1e5 + 10;
int n , m;
struct project{
int t , l , r , c , id;
int t1;
}a[maxn];
ll dis[maxn];
priority_queue<pair<ll,int>,vector<pair<ll,int>>,greater<pair<ll,int>>> pq;
template<char T>
struct BIT{
vector<ii> val[maxn];
void add(int x , ii y){
if(T){
for( ; x > 0 ; x &= x - 1)
val[x].pb(y);
}else{
for( ; x < maxn ; x += x & -x)
val[x].pb(y);
}
}
void update_dis(int u , ll d){
d += a[u].c;
// cout << u << " " << d << endl;
if(dis[u] > d){
dis[u] = d;
pq.push(mp(d , u));
}
}
void del(int x , int y , ll dis){
if(T){
for( ; x < maxn ; x += x & -x){
while(val[x].size() > 0 && val[x].back().first <= y){
update_dis(val[x].back().second , dis);
val[x].pop_back();
}
}
}else{
for( ; x > 0 ; x &= x - 1){
while(val[x].size() > 0 && val[x].back().first <= y){
update_dis(val[x].back().second , dis);
val[x].pop_back();
}
}
}
}
};
BIT<0> s;
BIT<1> s1;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
if(fopen(taskname".INP","r")){
freopen(taskname".INP", "r",stdin);
freopen(taskname".OUT", "w",stdout);
}
fill_n(dis,maxn,1e18);
cin >> n >> m;
vector<int> val;
for(int i = 0 ; i < m ; ++i){
cin >> a[i].t >> a[i].l >> a[i].r >> a[i].c;
a[i].id = i;
a[i].l--;
val.pb(a[i].t);
}
sort(val.begin(),val.end());
for(int i = 0 ; i < m ; ++i){
a[i].t1 = lower_bound(val.begin(),val.end(),a[i].t) - val.begin() + 1;
}
sort(a , a + m , [&](const project x , const project y){
return x.t + x.l > y.t + y.l;
});
for(int i = 0 ; i < m ; ++i){
s1.add(a[i].t1,mp(a[i].t + a[i].l , a[i].id));
}
sort(a , a + m , [&](const project x , const project y){
return x.l - x.t > y.l - y.t;
});
for(int i = 0 ; i < m ; ++i){
s.add(a[i].t1,mp(a[i].l - a[i].t , a[i].id));
}
sort(a , a + m , [&](const project x , const project y){
return x.id < y.id;
});
ll res = 1e18;
for(int i = 0 ; i < m ; ++i){
if(a[i].l == 0){
dis[i] = a[i].c;
pq.push(mp(dis[i] , i));
}
}
while(pq.size()){
auto u = pq.top();pq.pop();
if(u.first != dis[u.second])continue;
int i = u.second;
// cout << i << endl;
s1.del(a[i].t1 , a[i].r + a[i].t , u.first);
s.del(a[i].t1 , a[i].r - a[i].t , u.first);
}
for(int i = 0 ; i < m ; ++i){
if(a[i].r == n){
// cout << i << " " << dis[i] << endl;
res = min(res , dis[i]);
}
}
if(res == 1e18)cout << -1;
else cout << res;
}
Compilation message
treatment.cpp: In function 'int main()':
treatment.cpp:75:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen(taskname".INP", "r",stdin);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
treatment.cpp:76:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen(taskname".OUT", "w",stdout);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
103 ms |
30064 KB |
Output is correct |
2 |
Correct |
109 ms |
30064 KB |
Output is correct |
3 |
Correct |
112 ms |
29804 KB |
Output is correct |
4 |
Correct |
107 ms |
29144 KB |
Output is correct |
5 |
Correct |
118 ms |
32124 KB |
Output is correct |
6 |
Correct |
115 ms |
30040 KB |
Output is correct |
7 |
Correct |
104 ms |
29936 KB |
Output is correct |
8 |
Correct |
96 ms |
29936 KB |
Output is correct |
9 |
Correct |
98 ms |
29936 KB |
Output is correct |
10 |
Correct |
98 ms |
29936 KB |
Output is correct |
11 |
Correct |
126 ms |
32112 KB |
Output is correct |
12 |
Correct |
118 ms |
32108 KB |
Output is correct |
13 |
Correct |
121 ms |
32112 KB |
Output is correct |
14 |
Correct |
125 ms |
32344 KB |
Output is correct |
15 |
Correct |
115 ms |
29936 KB |
Output is correct |
16 |
Correct |
116 ms |
30196 KB |
Output is correct |
17 |
Correct |
103 ms |
29168 KB |
Output is correct |
18 |
Correct |
119 ms |
31500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
5760 KB |
Output is correct |
2 |
Correct |
8 ms |
5888 KB |
Output is correct |
3 |
Correct |
8 ms |
5888 KB |
Output is correct |
4 |
Correct |
8 ms |
5760 KB |
Output is correct |
5 |
Correct |
8 ms |
5888 KB |
Output is correct |
6 |
Correct |
8 ms |
5760 KB |
Output is correct |
7 |
Correct |
8 ms |
5888 KB |
Output is correct |
8 |
Correct |
8 ms |
5760 KB |
Output is correct |
9 |
Correct |
8 ms |
5888 KB |
Output is correct |
10 |
Correct |
8 ms |
5760 KB |
Output is correct |
11 |
Correct |
8 ms |
5760 KB |
Output is correct |
12 |
Correct |
7 ms |
5760 KB |
Output is correct |
13 |
Correct |
8 ms |
5888 KB |
Output is correct |
14 |
Correct |
8 ms |
5888 KB |
Output is correct |
15 |
Correct |
8 ms |
5760 KB |
Output is correct |
16 |
Correct |
8 ms |
5760 KB |
Output is correct |
17 |
Correct |
8 ms |
5760 KB |
Output is correct |
18 |
Correct |
8 ms |
5760 KB |
Output is correct |
19 |
Correct |
8 ms |
5760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
5760 KB |
Output is correct |
2 |
Correct |
8 ms |
5888 KB |
Output is correct |
3 |
Correct |
8 ms |
5888 KB |
Output is correct |
4 |
Correct |
8 ms |
5760 KB |
Output is correct |
5 |
Correct |
8 ms |
5888 KB |
Output is correct |
6 |
Correct |
8 ms |
5760 KB |
Output is correct |
7 |
Correct |
8 ms |
5888 KB |
Output is correct |
8 |
Correct |
8 ms |
5760 KB |
Output is correct |
9 |
Correct |
8 ms |
5888 KB |
Output is correct |
10 |
Correct |
8 ms |
5760 KB |
Output is correct |
11 |
Correct |
8 ms |
5760 KB |
Output is correct |
12 |
Correct |
7 ms |
5760 KB |
Output is correct |
13 |
Correct |
8 ms |
5888 KB |
Output is correct |
14 |
Correct |
8 ms |
5888 KB |
Output is correct |
15 |
Correct |
8 ms |
5760 KB |
Output is correct |
16 |
Correct |
8 ms |
5760 KB |
Output is correct |
17 |
Correct |
8 ms |
5760 KB |
Output is correct |
18 |
Correct |
8 ms |
5760 KB |
Output is correct |
19 |
Correct |
8 ms |
5760 KB |
Output is correct |
20 |
Correct |
15 ms |
7040 KB |
Output is correct |
21 |
Correct |
15 ms |
7040 KB |
Output is correct |
22 |
Correct |
15 ms |
7168 KB |
Output is correct |
23 |
Correct |
14 ms |
7040 KB |
Output is correct |
24 |
Correct |
17 ms |
7168 KB |
Output is correct |
25 |
Correct |
17 ms |
7168 KB |
Output is correct |
26 |
Correct |
16 ms |
7040 KB |
Output is correct |
27 |
Correct |
15 ms |
7040 KB |
Output is correct |
28 |
Correct |
16 ms |
7168 KB |
Output is correct |
29 |
Correct |
16 ms |
7040 KB |
Output is correct |
30 |
Correct |
14 ms |
7040 KB |
Output is correct |
31 |
Correct |
14 ms |
7168 KB |
Output is correct |
32 |
Correct |
16 ms |
7296 KB |
Output is correct |
33 |
Correct |
18 ms |
7296 KB |
Output is correct |
34 |
Correct |
16 ms |
7168 KB |
Output is correct |
35 |
Correct |
16 ms |
7296 KB |
Output is correct |
36 |
Correct |
15 ms |
7296 KB |
Output is correct |
37 |
Correct |
16 ms |
7040 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
103 ms |
30064 KB |
Output is correct |
2 |
Correct |
109 ms |
30064 KB |
Output is correct |
3 |
Correct |
112 ms |
29804 KB |
Output is correct |
4 |
Correct |
107 ms |
29144 KB |
Output is correct |
5 |
Correct |
118 ms |
32124 KB |
Output is correct |
6 |
Correct |
115 ms |
30040 KB |
Output is correct |
7 |
Correct |
104 ms |
29936 KB |
Output is correct |
8 |
Correct |
96 ms |
29936 KB |
Output is correct |
9 |
Correct |
98 ms |
29936 KB |
Output is correct |
10 |
Correct |
98 ms |
29936 KB |
Output is correct |
11 |
Correct |
126 ms |
32112 KB |
Output is correct |
12 |
Correct |
118 ms |
32108 KB |
Output is correct |
13 |
Correct |
121 ms |
32112 KB |
Output is correct |
14 |
Correct |
125 ms |
32344 KB |
Output is correct |
15 |
Correct |
115 ms |
29936 KB |
Output is correct |
16 |
Correct |
116 ms |
30196 KB |
Output is correct |
17 |
Correct |
103 ms |
29168 KB |
Output is correct |
18 |
Correct |
119 ms |
31500 KB |
Output is correct |
19 |
Correct |
8 ms |
5760 KB |
Output is correct |
20 |
Correct |
8 ms |
5888 KB |
Output is correct |
21 |
Correct |
8 ms |
5888 KB |
Output is correct |
22 |
Correct |
8 ms |
5760 KB |
Output is correct |
23 |
Correct |
8 ms |
5888 KB |
Output is correct |
24 |
Correct |
8 ms |
5760 KB |
Output is correct |
25 |
Correct |
8 ms |
5888 KB |
Output is correct |
26 |
Correct |
8 ms |
5760 KB |
Output is correct |
27 |
Correct |
8 ms |
5888 KB |
Output is correct |
28 |
Correct |
8 ms |
5760 KB |
Output is correct |
29 |
Correct |
8 ms |
5760 KB |
Output is correct |
30 |
Correct |
7 ms |
5760 KB |
Output is correct |
31 |
Correct |
8 ms |
5888 KB |
Output is correct |
32 |
Correct |
8 ms |
5888 KB |
Output is correct |
33 |
Correct |
8 ms |
5760 KB |
Output is correct |
34 |
Correct |
8 ms |
5760 KB |
Output is correct |
35 |
Correct |
8 ms |
5760 KB |
Output is correct |
36 |
Correct |
8 ms |
5760 KB |
Output is correct |
37 |
Correct |
8 ms |
5760 KB |
Output is correct |
38 |
Correct |
15 ms |
7040 KB |
Output is correct |
39 |
Correct |
15 ms |
7040 KB |
Output is correct |
40 |
Correct |
15 ms |
7168 KB |
Output is correct |
41 |
Correct |
14 ms |
7040 KB |
Output is correct |
42 |
Correct |
17 ms |
7168 KB |
Output is correct |
43 |
Correct |
17 ms |
7168 KB |
Output is correct |
44 |
Correct |
16 ms |
7040 KB |
Output is correct |
45 |
Correct |
15 ms |
7040 KB |
Output is correct |
46 |
Correct |
16 ms |
7168 KB |
Output is correct |
47 |
Correct |
16 ms |
7040 KB |
Output is correct |
48 |
Correct |
14 ms |
7040 KB |
Output is correct |
49 |
Correct |
14 ms |
7168 KB |
Output is correct |
50 |
Correct |
16 ms |
7296 KB |
Output is correct |
51 |
Correct |
18 ms |
7296 KB |
Output is correct |
52 |
Correct |
16 ms |
7168 KB |
Output is correct |
53 |
Correct |
16 ms |
7296 KB |
Output is correct |
54 |
Correct |
15 ms |
7296 KB |
Output is correct |
55 |
Correct |
16 ms |
7040 KB |
Output is correct |
56 |
Correct |
214 ms |
29940 KB |
Output is correct |
57 |
Correct |
221 ms |
30200 KB |
Output is correct |
58 |
Correct |
182 ms |
28532 KB |
Output is correct |
59 |
Correct |
188 ms |
28916 KB |
Output is correct |
60 |
Correct |
185 ms |
29732 KB |
Output is correct |
61 |
Correct |
187 ms |
28532 KB |
Output is correct |
62 |
Correct |
197 ms |
29812 KB |
Output is correct |
63 |
Correct |
159 ms |
29184 KB |
Output is correct |
64 |
Correct |
164 ms |
28916 KB |
Output is correct |
65 |
Correct |
119 ms |
30060 KB |
Output is correct |
66 |
Correct |
169 ms |
29652 KB |
Output is correct |
67 |
Correct |
260 ms |
29812 KB |
Output is correct |
68 |
Correct |
237 ms |
29684 KB |
Output is correct |
69 |
Correct |
227 ms |
30136 KB |
Output is correct |
70 |
Correct |
280 ms |
29876 KB |
Output is correct |
71 |
Correct |
252 ms |
29716 KB |
Output is correct |
72 |
Correct |
216 ms |
29684 KB |
Output is correct |
73 |
Correct |
287 ms |
29916 KB |
Output is correct |
74 |
Correct |
171 ms |
29660 KB |
Output is correct |
75 |
Correct |
167 ms |
29856 KB |
Output is correct |
76 |
Correct |
270 ms |
33168 KB |
Output is correct |
77 |
Correct |
260 ms |
31984 KB |
Output is correct |
78 |
Correct |
275 ms |
33136 KB |
Output is correct |
79 |
Correct |
267 ms |
29788 KB |
Output is correct |
80 |
Correct |
275 ms |
31068 KB |
Output is correct |
81 |
Correct |
197 ms |
29680 KB |
Output is correct |
82 |
Correct |
293 ms |
30192 KB |
Output is correct |
83 |
Correct |
288 ms |
29044 KB |
Output is correct |
84 |
Correct |
289 ms |
28912 KB |
Output is correct |
85 |
Correct |
231 ms |
29816 KB |
Output is correct |
86 |
Correct |
267 ms |
29812 KB |
Output is correct |
87 |
Correct |
338 ms |
29788 KB |
Output is correct |
88 |
Correct |
210 ms |
29684 KB |
Output is correct |
89 |
Correct |
234 ms |
29724 KB |
Output is correct |
90 |
Correct |
285 ms |
31856 KB |
Output is correct |
91 |
Correct |
290 ms |
30836 KB |
Output is correct |
92 |
Correct |
226 ms |
29684 KB |
Output is correct |
93 |
Correct |
296 ms |
29812 KB |
Output is correct |
94 |
Correct |
258 ms |
30028 KB |
Output is correct |
95 |
Correct |
254 ms |
29684 KB |
Output is correct |
96 |
Correct |
292 ms |
31832 KB |
Output is correct |
97 |
Correct |
273 ms |
31856 KB |
Output is correct |
98 |
Correct |
288 ms |
31900 KB |
Output is correct |
99 |
Correct |
272 ms |
31968 KB |
Output is correct |
100 |
Correct |
265 ms |
31984 KB |
Output is correct |
101 |
Correct |
257 ms |
31852 KB |
Output is correct |
102 |
Correct |
254 ms |
31852 KB |
Output is correct |
103 |
Correct |
236 ms |
30280 KB |
Output is correct |