CSES - Datatähti 2016 alku

Submission details
Task:	Lennot
Sender:	Hansuzu
Submission time:	2015-09-30 10:37:15 +0300
Language:	C++
Status:	READY
Result:	61

Feedback
group	verdict	score
#1	ACCEPTED	24
#2	ACCEPTED	37
#3	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.06 s	1	details
#2	ACCEPTED	0.06 s	1	details
#3	ACCEPTED	0.06 s	1	details
#4	ACCEPTED	0.05 s	1	details
#5	ACCEPTED	0.05 s	1	details
#6	ACCEPTED	0.06 s	2	details
#7	ACCEPTED	0.05 s	2	details
#8	ACCEPTED	0.06 s	2	details
#9	ACCEPTED	0.06 s	2	details
#10	ACCEPTED	0.06 s	2	details
#11	RUNTIME ERROR	0.30 s	3	details
#12	RUNTIME ERROR	0.31 s	3	details
#13	RUNTIME ERROR	0.31 s	3	details
#14	RUNTIME ERROR	0.32 s	3	details
#15	ACCEPTED	0.09 s	3	details
#16	ACCEPTED	0.12 s	3	details
#17	ACCEPTED	0.17 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0; i<q.size(); ++i){
                  ^
input/code.cpp:35:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int j=0; j<lt[c].size(); ++j){
                    ^

Code

#include <iostream>
#include <vector>
#define F first
#define S second
using namespace std;
int n, m;

long long mn[101010][2];
vector<pair<int, int> > lt[101010];




int main(){
  ios_base::sync_with_stdio(0); cin.tie(0);
  for (int i=0; i<101010; ++i) for (int j=0; j<2; ++j) mn[i][j]=2000000000000000LL;
  
  
  cin >> n >> m;
  for (int i=0; i<m; ++i){
    int a, b, h;
    cin >> a >> b >> h;
    lt[a].push_back(make_pair(b, h));
  }
  
  vector<pair<int, long long> > q; 
  q.push_back(make_pair(1, 0));
  for (int i=0; i<q.size(); ++i){
    int c=q[i].F;
    int p=1;
    if (c<0){ c=-c; p=-1;}
    long long h=q[i].S;
    if (mn[c][(p+1)/2]<=h || h>=min(mn[n][0], mn[n][1])) continue;
    mn[c][(p+1)/2]=h;
    for (int j=0; j<lt[c].size(); ++j){
      long long h2=lt[c][j].S*(p+1)/2+h;
      if (h2<mn[lt[c][j].F][(-p+1)/2] && h2<min(mn[n][0], mn[n][1])) q.push_back(make_pair(-lt[c][j].F*p, lt[c][j].S*(p+1)/2+h));
    }
  }
  cout << min(mn[n][0], mn[n][1]) << "\n";
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`10 20 2 1 3 7 6 4 1 6 7 1 6 1 ...` view save

correct output
`8` view save

user output
`8` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`10 20 4 3 10 1 10 9 3 4 10 2 6 7 ...` view save

correct output
`9` view save

user output
`9` view save

Test 3

Group: 1

Verdict: ACCEPTED

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

correct output
`8` view save

user output
`8` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`10 20 1 6 2 5 3 3 7 3 6 5 6 2 ...` view save

correct output
`13` view save

user output
`13` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`10 20 10 8 5 2 4 7 9 4 7 9 4 1 ...` view save

correct output
`4` view save

user output
`4` view save

Test 6

Group: 2

Verdict: ACCEPTED

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

correct output
`11893353673` view save

user output
`11893353673` view save

Test 7

Group: 2

Verdict: ACCEPTED

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

correct output
`30248963445` view save

user output
`30248963445` view save

Test 8

Group: 2

Verdict: ACCEPTED

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

correct output
`3126797692` view save

user output
`3126797692` view save

Test 9

Group: 2

Verdict: ACCEPTED

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

correct output
`18416073173` view save

user output
`18416073173` view save

Test 10

Group: 2

Verdict: ACCEPTED

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

correct output
`6399349335` view save

user output
`6399349335` view save

Test 11

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`518249578675` view save

user output
(empty)

Test 12

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`920862321580` view save

user output
(empty)

Test 13

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`399407698440` view save

user output
(empty)

Test 14

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`165235287505` view save

user output
(empty)

Test 15

Group: 3

Verdict: ACCEPTED

input
`99993 199980 1 3 1 3 2 1 1 4 1 4 2 1 ...` view save

correct output
`2` view save

user output
`2` view save

Test 16

Group: 3

Verdict: ACCEPTED

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

correct output
`1124960` view save

user output
`1124960` view save

Test 17

Group: 3

Verdict: ACCEPTED

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

correct output
`110298` view save

user output
`110298` view save

Datatähti 2016 alku

Lennot

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (Hansuzu)