CSES - Datatähti 2016 alku - Results
Submission details
Task:Lennot
Sender:yhyy ääh yhyy
Submission time:2015-09-28 23:41:10
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED24
#2ACCEPTED37
#3ACCEPTED39
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.05 s1details
#4ACCEPTED0.06 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.06 s2details
#7ACCEPTED0.06 s2details
#8ACCEPTED0.05 s2details
#9ACCEPTED0.06 s2details
#10ACCEPTED0.06 s2details
#11ACCEPTED0.34 s3details
#12ACCEPTED0.36 s3details
#13ACCEPTED0.34 s3details
#14ACCEPTED0.32 s3details
#15ACCEPTED0.21 s3details
#16ACCEPTED0.25 s3details
#17ACCEPTED0.33 s3details

Code

#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#define F first
#define S second
using namespace std;
typedef long long ll;
const ll MN = 4e5+100;
const ll R = 2e5+10;
vector<pair<ll, ll> > v[MN];
ll et[MN];
int main() {
    ll n, m;
    cin>>n>>m;
    for(ll i = 0; i < m; ++i) {
        ll a,b,h;
        cin>>a>>b>>h;
        v[a].push_back({b+R, h});
        v[a+R].push_back({b, 0});
    }
    for(int i  = 0; i < MN; ++i) {
        et[i] = 1e18;
    }
    priority_queue<pair<ll, ll> > qu;
    qu.push({0, 1});
    while(qu.size()) {
        pair<ll, ll> x = qu.top();
        qu.pop();
        x.F = -x.F;
        if(et[x.S] < x.F) continue;
        et[x.S] = x.F;
        for(auto y: v[x.S]) {
            ll nd = x.F + y.S;
            if(et[y.F] > nd) {
                et[y.F] = nd;
                qu.push({-nd, y.F});
            }
        }
    }
    cout<<min(et[n], et[n+R])<<'\n';

}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 20
2 1 3
7 6 4
1 6 7
1 6 1
...

correct output
8

user output
8

Test 2

Group: 1

Verdict: ACCEPTED

input
10 20
4 3 10
1 10 9
3 4 10
2 6 7
...

correct output
9

user output
9

Test 3

Group: 1

Verdict: ACCEPTED

input
10 20
5 7 4
6 1 1
7 3 8
8 4 2
...

correct output
8

user output
8

Test 4

Group: 1

Verdict: ACCEPTED

input
10 20
1 6 2
5 3 3
7 3 6
5 6 2
...

correct output
13

user output
13

Test 5

Group: 1

Verdict: ACCEPTED

input
10 20
10 8 5
2 4 7
9 4 7
9 4 1
...

correct output
4

user output
4

Test 6

Group: 2

Verdict: ACCEPTED

input
1000 2000
91 828 365044406
17 984 445675537
251 852 100987451
907 487 58830088
...

correct output
11893353673

user output
11893353673

Test 7

Group: 2

Verdict: ACCEPTED

input
1000 2000
722 939 530579090
404 606 268877348
133 750 760086153
506 46 582310443
...

correct output
30248963445

user output
30248963445

Test 8

Group: 2

Verdict: ACCEPTED

input
1000 2000
340 237 43690066
217 141 453160975
744 202 639037814
605 926 404985542
...

correct output
3126797692

user output
3126797692

Test 9

Group: 2

Verdict: ACCEPTED

input
1000 2000
88 312 190442306
480 402 411574469
29 901 397491243
636 459 323246996
...

correct output
18416073173

user output
18416073173

Test 10

Group: 2

Verdict: ACCEPTED

input
1000 2000
333 228 718389176
796 286 323493090
743 43 751876815
128 554 175625940
...

correct output
6399349335

user output
6399349335

Test 11

Group: 3

Verdict: ACCEPTED

input
100000 200000
28264 92686 186865663
92570 33956 925976418
87377 71249 644757113
16701 81203 922125505
...

correct output
518249578675

user output
518249578675

Test 12

Group: 3

Verdict: ACCEPTED

input
100000 200000
95740 71482 846654568
44131 16806 670712211
3967 49254 424174139
39369 53007 830346557
...

correct output
920862321580

user output
920862321580

Test 13

Group: 3

Verdict: ACCEPTED

input
100000 200000
79947 25489 71554257
59184 25577 328436360
82945 73554 4942918
22380 92385 874250042
...

correct output
399407698440

user output
399407698440

Test 14

Group: 3

Verdict: ACCEPTED

input
100000 200000
31139 12960 580545990
27744 95556 747296719
46969 42578 840321561
5638 28960 513805324
...

correct output
165235287505

user output
165235287505

Test 15

Group: 3

Verdict: ACCEPTED

input
99993 199980
1 3 1
3 2 1
1 4 1
4 2 1
...

correct output
2

user output
2

Test 16

Group: 3

Verdict: ACCEPTED

input
100000 149994
93867 98509 1755709
85029 99843 1347591
10305 35305 6447
75638 80585 1829972
...

correct output
1124960

user output
1124960

Test 17

Group: 3

Verdict: ACCEPTED

input
100000 200000
70413 71496 49
15963 40963 18635
81291 89420 1850028
8848 33848 17316
...

correct output
110298

user output
110298