#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
struct pro { int t,l,r,c; };
bool comp(pro a,pro b) {
return a.t < b.t;
}
pro p[100000];
vpii adjList[3000000];
pii sorted[100000];
int bit[100001],num;
LLI dist[3000000];
priority_queue<pair<LLI,int> > H;
int main() {
int i;
int N,M;
scanf("%d %d",&N,&M);
for (i = 0; i < M; i++) scanf("%d %d %d %d",&p[i].t,&p[i].l,&p[i].r,&p[i].c),p[i].l--,p[i].r--;
sort(p,p+M,comp);
int j;
for (i = 0; i < M; i++) {
if (p[i].l == 0) adjList[0].pb(mp(i+2,p[i].c));
if (p[i].r == N-1) adjList[i+2].pb(mp(1,0));
sorted[i] = mp(p[i].l-p[i].t,i);
}
num = M+2;
sort(sorted,sorted+M);
for (i = 1; i <= M; i++) bit[i] = num++;
for (i = 0; i < M; i++) {
int x = lower_bound(sorted,sorted+M,mp(p[i].l-p[i].t,i))-sorted;
for (j = x+1; j <= M; j += j & (-j)) {
adjList[num].pb(mp(bit[j],0)),adjList[num].pb(mp(i+2,p[i].c));
bit[j] = num++;
}
x = upper_bound(sorted,sorted+M,mp(p[i].r-p[i].t+1,M))-sorted-1;
for (j = x+1; j > 0; j -= j & (-j)) adjList[i+2].pb(mp(bit[j],0));
}
for (i = 0; i < M; i++) sorted[i] = mp(p[i].l+p[i].t,i);
sort(sorted,sorted+M);
for (i = 1; i <= M; i++) bit[i] = num++;
for (i = M-1; i >= 0; i--) {
int x = lower_bound(sorted,sorted+M,mp(p[i].l+p[i].t,i))-sorted;
for (j = x+1; j <= M; j += j & (-j)) {
adjList[num].pb(mp(bit[j],0)),adjList[num].pb(mp(i+2,p[i].c));
bit[j] = num++;
}
x = upper_bound(sorted,sorted+M,mp(p[i].r+p[i].t+1,M))-sorted-1;
for (j = x+1; j > 0; j -= j & (-j)) adjList[i+2].pb(mp(bit[j],0));
}
for (i = 0; i < num; i++) dist[i] = -1;
dist[0] = 0,H.push(mp(0,0));
while (!H.empty()) {
int u = H.top().second;
LLI d = -H.top().first;
H.pop();
if (d > dist[u]) continue;
for (i = 0; i < adjList[u].size(); i++) {
int v = adjList[u][i].first;
if ((dist[v] == -1) || (dist[u]+adjList[u][i].second < dist[v])) {
dist[v] = dist[u]+adjList[u][i].second;
H.push(mp(-dist[v],v));
}
}
}
printf("%lld\n",dist[1]);
return 0;
}
Compilation message
treatment.cpp: In function 'int main()':
treatment.cpp:114:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < adjList[u].size(); i++) {
~~^~~~~~~~~~~~~~~~~~~
treatment.cpp:71:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&N,&M);
~~~~~^~~~~~~~~~~~~~~
treatment.cpp:72:90: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (i = 0; i < M; i++) scanf("%d %d %d %d",&p[i].t,&p[i].l,&p[i].r,&p[i].c),p[i].l--,p[i].r--;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
801 ms |
166008 KB |
Output is correct |
2 |
Correct |
564 ms |
168544 KB |
Output is correct |
3 |
Correct |
736 ms |
166768 KB |
Output is correct |
4 |
Correct |
737 ms |
166260 KB |
Output is correct |
5 |
Correct |
699 ms |
167020 KB |
Output is correct |
6 |
Correct |
675 ms |
165788 KB |
Output is correct |
7 |
Correct |
620 ms |
167032 KB |
Output is correct |
8 |
Correct |
389 ms |
164828 KB |
Output is correct |
9 |
Correct |
384 ms |
165624 KB |
Output is correct |
10 |
Correct |
383 ms |
167032 KB |
Output is correct |
11 |
Correct |
1130 ms |
168560 KB |
Output is correct |
12 |
Correct |
1120 ms |
168604 KB |
Output is correct |
13 |
Correct |
1153 ms |
170628 KB |
Output is correct |
14 |
Correct |
1158 ms |
170740 KB |
Output is correct |
15 |
Correct |
954 ms |
168568 KB |
Output is correct |
16 |
Correct |
967 ms |
168696 KB |
Output is correct |
17 |
Correct |
949 ms |
167772 KB |
Output is correct |
18 |
Correct |
1050 ms |
168052 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
44 ms |
70776 KB |
Output is correct |
2 |
Correct |
46 ms |
70776 KB |
Output is correct |
3 |
Correct |
45 ms |
70776 KB |
Output is correct |
4 |
Correct |
48 ms |
70776 KB |
Output is correct |
5 |
Correct |
46 ms |
70776 KB |
Output is correct |
6 |
Correct |
45 ms |
70776 KB |
Output is correct |
7 |
Correct |
45 ms |
70776 KB |
Output is correct |
8 |
Correct |
45 ms |
70784 KB |
Output is correct |
9 |
Correct |
45 ms |
70776 KB |
Output is correct |
10 |
Correct |
45 ms |
70784 KB |
Output is correct |
11 |
Correct |
45 ms |
70784 KB |
Output is correct |
12 |
Correct |
45 ms |
70784 KB |
Output is correct |
13 |
Correct |
45 ms |
70776 KB |
Output is correct |
14 |
Correct |
45 ms |
70780 KB |
Output is correct |
15 |
Correct |
45 ms |
70784 KB |
Output is correct |
16 |
Correct |
45 ms |
70776 KB |
Output is correct |
17 |
Correct |
46 ms |
70776 KB |
Output is correct |
18 |
Correct |
45 ms |
70776 KB |
Output is correct |
19 |
Correct |
45 ms |
70776 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
44 ms |
70776 KB |
Output is correct |
2 |
Correct |
46 ms |
70776 KB |
Output is correct |
3 |
Correct |
45 ms |
70776 KB |
Output is correct |
4 |
Correct |
48 ms |
70776 KB |
Output is correct |
5 |
Correct |
46 ms |
70776 KB |
Output is correct |
6 |
Correct |
45 ms |
70776 KB |
Output is correct |
7 |
Correct |
45 ms |
70776 KB |
Output is correct |
8 |
Correct |
45 ms |
70784 KB |
Output is correct |
9 |
Correct |
45 ms |
70776 KB |
Output is correct |
10 |
Correct |
45 ms |
70784 KB |
Output is correct |
11 |
Correct |
45 ms |
70784 KB |
Output is correct |
12 |
Correct |
45 ms |
70784 KB |
Output is correct |
13 |
Correct |
45 ms |
70776 KB |
Output is correct |
14 |
Correct |
45 ms |
70780 KB |
Output is correct |
15 |
Correct |
45 ms |
70784 KB |
Output is correct |
16 |
Correct |
45 ms |
70776 KB |
Output is correct |
17 |
Correct |
46 ms |
70776 KB |
Output is correct |
18 |
Correct |
45 ms |
70776 KB |
Output is correct |
19 |
Correct |
45 ms |
70776 KB |
Output is correct |
20 |
Correct |
63 ms |
74616 KB |
Output is correct |
21 |
Correct |
63 ms |
74488 KB |
Output is correct |
22 |
Correct |
71 ms |
74616 KB |
Output is correct |
23 |
Correct |
61 ms |
74360 KB |
Output is correct |
24 |
Correct |
70 ms |
74616 KB |
Output is correct |
25 |
Correct |
68 ms |
74360 KB |
Output is correct |
26 |
Correct |
65 ms |
74360 KB |
Output is correct |
27 |
Correct |
64 ms |
74360 KB |
Output is correct |
28 |
Correct |
68 ms |
74620 KB |
Output is correct |
29 |
Correct |
66 ms |
74360 KB |
Output is correct |
30 |
Correct |
60 ms |
74360 KB |
Output is correct |
31 |
Correct |
60 ms |
74368 KB |
Output is correct |
32 |
Correct |
72 ms |
74616 KB |
Output is correct |
33 |
Correct |
69 ms |
74616 KB |
Output is correct |
34 |
Correct |
68 ms |
74360 KB |
Output is correct |
35 |
Correct |
71 ms |
74616 KB |
Output is correct |
36 |
Correct |
69 ms |
74668 KB |
Output is correct |
37 |
Correct |
69 ms |
74360 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
801 ms |
166008 KB |
Output is correct |
2 |
Correct |
564 ms |
168544 KB |
Output is correct |
3 |
Correct |
736 ms |
166768 KB |
Output is correct |
4 |
Correct |
737 ms |
166260 KB |
Output is correct |
5 |
Correct |
699 ms |
167020 KB |
Output is correct |
6 |
Correct |
675 ms |
165788 KB |
Output is correct |
7 |
Correct |
620 ms |
167032 KB |
Output is correct |
8 |
Correct |
389 ms |
164828 KB |
Output is correct |
9 |
Correct |
384 ms |
165624 KB |
Output is correct |
10 |
Correct |
383 ms |
167032 KB |
Output is correct |
11 |
Correct |
1130 ms |
168560 KB |
Output is correct |
12 |
Correct |
1120 ms |
168604 KB |
Output is correct |
13 |
Correct |
1153 ms |
170628 KB |
Output is correct |
14 |
Correct |
1158 ms |
170740 KB |
Output is correct |
15 |
Correct |
954 ms |
168568 KB |
Output is correct |
16 |
Correct |
967 ms |
168696 KB |
Output is correct |
17 |
Correct |
949 ms |
167772 KB |
Output is correct |
18 |
Correct |
1050 ms |
168052 KB |
Output is correct |
19 |
Correct |
44 ms |
70776 KB |
Output is correct |
20 |
Correct |
46 ms |
70776 KB |
Output is correct |
21 |
Correct |
45 ms |
70776 KB |
Output is correct |
22 |
Correct |
48 ms |
70776 KB |
Output is correct |
23 |
Correct |
46 ms |
70776 KB |
Output is correct |
24 |
Correct |
45 ms |
70776 KB |
Output is correct |
25 |
Correct |
45 ms |
70776 KB |
Output is correct |
26 |
Correct |
45 ms |
70784 KB |
Output is correct |
27 |
Correct |
45 ms |
70776 KB |
Output is correct |
28 |
Correct |
45 ms |
70784 KB |
Output is correct |
29 |
Correct |
45 ms |
70784 KB |
Output is correct |
30 |
Correct |
45 ms |
70784 KB |
Output is correct |
31 |
Correct |
45 ms |
70776 KB |
Output is correct |
32 |
Correct |
45 ms |
70780 KB |
Output is correct |
33 |
Correct |
45 ms |
70784 KB |
Output is correct |
34 |
Correct |
45 ms |
70776 KB |
Output is correct |
35 |
Correct |
46 ms |
70776 KB |
Output is correct |
36 |
Correct |
45 ms |
70776 KB |
Output is correct |
37 |
Correct |
45 ms |
70776 KB |
Output is correct |
38 |
Correct |
63 ms |
74616 KB |
Output is correct |
39 |
Correct |
63 ms |
74488 KB |
Output is correct |
40 |
Correct |
71 ms |
74616 KB |
Output is correct |
41 |
Correct |
61 ms |
74360 KB |
Output is correct |
42 |
Correct |
70 ms |
74616 KB |
Output is correct |
43 |
Correct |
68 ms |
74360 KB |
Output is correct |
44 |
Correct |
65 ms |
74360 KB |
Output is correct |
45 |
Correct |
64 ms |
74360 KB |
Output is correct |
46 |
Correct |
68 ms |
74620 KB |
Output is correct |
47 |
Correct |
66 ms |
74360 KB |
Output is correct |
48 |
Correct |
60 ms |
74360 KB |
Output is correct |
49 |
Correct |
60 ms |
74368 KB |
Output is correct |
50 |
Correct |
72 ms |
74616 KB |
Output is correct |
51 |
Correct |
69 ms |
74616 KB |
Output is correct |
52 |
Correct |
68 ms |
74360 KB |
Output is correct |
53 |
Correct |
71 ms |
74616 KB |
Output is correct |
54 |
Correct |
69 ms |
74668 KB |
Output is correct |
55 |
Correct |
69 ms |
74360 KB |
Output is correct |
56 |
Correct |
648 ms |
168816 KB |
Output is correct |
57 |
Correct |
652 ms |
168436 KB |
Output is correct |
58 |
Correct |
617 ms |
168696 KB |
Output is correct |
59 |
Correct |
613 ms |
169040 KB |
Output is correct |
60 |
Correct |
594 ms |
169592 KB |
Output is correct |
61 |
Correct |
607 ms |
168608 KB |
Output is correct |
62 |
Correct |
649 ms |
168816 KB |
Output is correct |
63 |
Correct |
427 ms |
169464 KB |
Output is correct |
64 |
Correct |
427 ms |
169592 KB |
Output is correct |
65 |
Correct |
792 ms |
168608 KB |
Output is correct |
66 |
Correct |
520 ms |
169592 KB |
Output is correct |
67 |
Correct |
1104 ms |
170104 KB |
Output is correct |
68 |
Correct |
925 ms |
169848 KB |
Output is correct |
69 |
Correct |
794 ms |
169896 KB |
Output is correct |
70 |
Correct |
1150 ms |
170304 KB |
Output is correct |
71 |
Correct |
949 ms |
170108 KB |
Output is correct |
72 |
Correct |
809 ms |
169976 KB |
Output is correct |
73 |
Correct |
1125 ms |
170364 KB |
Output is correct |
74 |
Correct |
424 ms |
169976 KB |
Output is correct |
75 |
Correct |
407 ms |
169976 KB |
Output is correct |
76 |
Correct |
1138 ms |
171888 KB |
Output is correct |
77 |
Correct |
1204 ms |
174760 KB |
Output is correct |
78 |
Correct |
1158 ms |
171812 KB |
Output is correct |
79 |
Correct |
1078 ms |
170152 KB |
Output is correct |
80 |
Correct |
976 ms |
169720 KB |
Output is correct |
81 |
Correct |
438 ms |
169848 KB |
Output is correct |
82 |
Correct |
1077 ms |
169152 KB |
Output is correct |
83 |
Correct |
1067 ms |
169436 KB |
Output is correct |
84 |
Correct |
1048 ms |
169452 KB |
Output is correct |
85 |
Correct |
658 ms |
170024 KB |
Output is correct |
86 |
Correct |
664 ms |
170048 KB |
Output is correct |
87 |
Correct |
702 ms |
169976 KB |
Output is correct |
88 |
Correct |
657 ms |
169976 KB |
Output is correct |
89 |
Correct |
695 ms |
169916 KB |
Output is correct |
90 |
Correct |
1167 ms |
172432 KB |
Output is correct |
91 |
Correct |
964 ms |
171120 KB |
Output is correct |
92 |
Correct |
724 ms |
170104 KB |
Output is correct |
93 |
Correct |
1008 ms |
169976 KB |
Output is correct |
94 |
Correct |
870 ms |
170236 KB |
Output is correct |
95 |
Correct |
924 ms |
169976 KB |
Output is correct |
96 |
Correct |
1199 ms |
172524 KB |
Output is correct |
97 |
Correct |
1198 ms |
172784 KB |
Output is correct |
98 |
Correct |
1209 ms |
173200 KB |
Output is correct |
99 |
Correct |
1205 ms |
172908 KB |
Output is correct |
100 |
Correct |
884 ms |
172268 KB |
Output is correct |
101 |
Correct |
1197 ms |
172776 KB |
Output is correct |
102 |
Correct |
1094 ms |
172272 KB |
Output is correct |
103 |
Correct |
765 ms |
170364 KB |
Output is correct |