CSES - Datatähti 2019 loppu

Submission details
Task:	Robotti
Sender:	Roope Salmi
Submission time:	2019-01-17 16:14:16 +0200
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.01 s	1	details
#2	WRONG ANSWER	0.03 s	1	details
#3	WRONG ANSWER	0.01 s	1	details
#4	WRONG ANSWER	0.01 s	1	details
#5	WRONG ANSWER	0.02 s	1	details
#6	WRONG ANSWER	0.01 s	1	details
#7	WRONG ANSWER	0.02 s	1	details
#8	WRONG ANSWER	0.02 s	1	details
#9	WRONG ANSWER	0.02 s	2	details
#10	WRONG ANSWER	0.02 s	2	details
#11	WRONG ANSWER	0.01 s	2	details
#12	WRONG ANSWER	0.01 s	2	details
#13	WRONG ANSWER	0.03 s	2	details
#14	WRONG ANSWER	0.02 s	2	details
#15	WRONG ANSWER	0.01 s	2	details
#16	WRONG ANSWER	0.02 s	2	details
#17	WRONG ANSWER	0.02 s	2	details
#18	WRONG ANSWER	0.01 s	3	details
#19	WRONG ANSWER	0.02 s	3	details
#20	WRONG ANSWER	0.01 s	3	details
#21	WRONG ANSWER	0.01 s	3	details
#22	WRONG ANSWER	0.02 s	3	details
#23	WRONG ANSWER	0.02 s	3	details
#24	WRONG ANSWER	0.02 s	3	details
#25	WRONG ANSWER	0.02 s	3	details
#26	WRONG ANSWER	0.01 s	3	details
#27	WRONG ANSWER	0.01 s	3	details
#28	WRONG ANSWER	0.01 s	3	details
#29	WRONG ANSWER	0.01 s	3	details
#30	WRONG ANSWER	0.02 s	3	details
#31	WRONG ANSWER	0.01 s	3	details
#32	WRONG ANSWER	0.02 s	3	details
#33	WRONG ANSWER	0.02 s	3	details
#34	WRONG ANSWER	0.02 s	3	details
#35	WRONG ANSWER	0.02 s	3	details
#36	WRONG ANSWER	0.02 s	3	details
#37	WRONG ANSWER	0.02 s	3	details
#38	WRONG ANSWER	0.01 s	3	details
#39	WRONG ANSWER	0.02 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:3:11: warning: narrowing conversion of 't[i].std::pair<int, int>::first' from 'int' to 'long double' inside { } [-Wnarrowing]
 #define F first
           ^
input/code.cpp:18:20: note: in expansion of macro 'F'
       c[i] = {t[i].F, t[i].S};
                    ^
input/code.cpp:4:11: warning: narrowing conversion of 't[i].std::pair<int, int>::second' from 'int' to 'long double' inside { } [-Wnarrowing]
 #define S second
           ^
input/code.cpp:18:28: note: in expansion of macro 'S'
       c[i] = {t[i].F, t[i].S};
                            ^

Code

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
const long M = 1e9+7;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int t;
  cin >> t;
  for (int ti = 0; ti < t; ++ti) {
    int n;
    cin >> n;
    pair<int, int> t[n];
    complex<long double> c[n];
    for (int i = 0; i < n; ++i) {
      cin >> t[i].F >> t[i].S;
      c[i] = {t[i].F, t[i].S};
    }
    if (n == 2) {
      cout << "YES" << "\n";
      continue;
    }
    double lo, hi;
    lo = arg(c[2]-c[1]);
    hi = arg(c[0]-c[1]);
    if (arg((c[2]-c[1])/(c[0]-c[1])) < 0) swap(lo, hi);
    if (lo < 0) { lo += M_PI; }
    if (hi < 0) { hi += M_PI; }
    bool f = 1;
    for (int i = 2; i < n-1; ++i) {
      double clo, chi;
      clo = arg(c[i+1]-c[i]);
      chi = arg(c[i-1]-c[i]);
      if (arg((c[i+1]-c[i])/(c[i-1]-c[i])) < 0) swap(clo, chi);
      if (clo < 0) { clo += M_PI; }
      if (chi < 0) { chi += M_PI; }
      if (lo < hi) {
	if (clo < chi) {
	  lo = min(lo, clo);
	  hi = max(hi, chi);
	} else {
	  if (lo <= chi && chi <= hi && lo <= clo && clo <= hi) {
	    f = 0; break;
	  }
	  if (clo > hi) {
	    lo = clo;
	  } else {
	    hi = chi;
	  }
	}
      } else {
	if (clo < chi) {
	  if (clo <= hi && chi >= lo) {
	    f = 0; break;
	  }
	  if ((clo >= lo && chi >= lo) || (clo <= hi && chi <= hi)) {
	    continue;
	  }
	  if (clo < hi) {
	    hi = chi;
	  } else {
	    lo = clo;
	  }
	} else {
	  if ((clo >= lo && chi >= lo) || (clo <= hi && chi <= hi)) {
	    f = 0; break;
	  }
	  lo = min(lo, clo);
	  hi = max(hi, chi);
	}
      }
    }
    if (f) {
      cout << "YES\n";
    } else {
      cout << "NO\n";
    }
  }
}

Test details

Test 1

Group: 1

Verdict: WRONG ANSWER

input
`2 2` view save

correct output
`RG GR` view save

user output
`YES YES` view save

Test 2

Group: 1

Verdict: WRONG ANSWER

input
`2 4` view save

correct output
`RRRG GRRR` view save

user output
`NO NO` view save

Test 3

Group: 1

Verdict: WRONG ANSWER

input
`2 6` view save

correct output
`RRRRRG GRRRRR` view save

user output
`NO NO` view save

Test 4

Group: 1

Verdict: WRONG ANSWER

input
`2 10` view save

correct output
`RRRRRRRRRG GRRRRRRRRR` view save

user output
`NO NO` view save

Test 5

Group: 1

Verdict: WRONG ANSWER

input
`2 50` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO` view save

Test 6

Group: 1

Verdict: WRONG ANSWER

input
`2 80` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO` view save

Test 7

Group: 1

Verdict: WRONG ANSWER

input
`2 98` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO` view save

Test 8

Group: 1

Verdict: WRONG ANSWER

input
`2 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO` view save

Test 9

Group: 2

Verdict: WRONG ANSWER

input
`2 2` view save

correct output
`RG GR` view save

user output
`YES YES` view save

Test 10

Group: 2

Verdict: WRONG ANSWER

input
`2 4` view save

correct output
`RRRG GRRR` view save

user output
`NO NO` view save

Test 11

Group: 2

Verdict: WRONG ANSWER

input
`2 6` view save

correct output
`RRRRRG GRRRRR` view save

user output
`NO NO` view save

Test 12

Group: 2

Verdict: WRONG ANSWER

input
`4 2` view save

correct output
`RG GG GG GR` view save

user output
`YES YES YES YES` view save

Test 13

Group: 2

Verdict: WRONG ANSWER

input
`4 4` view save

correct output
`IMPOSSIBLE` view save

user output
`NO NO NO NO` view save

Test 14

Group: 2

Verdict: WRONG ANSWER

input
`4 6` view save

correct output
`RRRRRG GBGRGG GGRBRG GRRBRR` view save

user output
`NO NO NO NO` view save

Test 15

Group: 2

Verdict: WRONG ANSWER

input
`6 2` view save

correct output
`RG GG GG GG GG ...` view save

user output
`YES YES YES YES YES ...` view save

Test 16

Group: 2

Verdict: WRONG ANSWER

input
`6 4` view save

correct output
`RRRG RGBG RRGG BBGG GRBG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 17

Group: 2

Verdict: WRONG ANSWER

input
`6 6` view save

correct output
`RRRRRG GBGRBG GGGBBG GGGBBG GGRBRG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 18

Group: 3

Verdict: WRONG ANSWER

input
`2 2` view save

correct output
`RG GR` view save

user output
`YES YES` view save

Test 19

Group: 3

Verdict: WRONG ANSWER

input
`2 4` view save

correct output
`RRRG GRRR` view save

user output
`NO NO` view save

Test 20

Group: 3

Verdict: WRONG ANSWER

input
`2 6` view save

correct output
`RRRRRG GRRRRR` view save

user output
`NO NO` view save

Test 21

Group: 3

Verdict: WRONG ANSWER

input
`4 2` view save

correct output
`RG GG GG GR` view save

user output
`YES YES YES YES` view save

Test 22

Group: 3

Verdict: WRONG ANSWER

input
`4 4` view save

correct output
`IMPOSSIBLE` view save

user output
`NO NO NO NO` view save

Test 23

Group: 3

Verdict: WRONG ANSWER

input
`4 6` view save

correct output
`RRRRRG GBGRGG GGRBRG GRRBRR` view save

user output
`NO NO NO NO` view save

Test 24

Group: 3

Verdict: WRONG ANSWER

input
`6 2` view save

correct output
`RG GG GG GG GG ...` view save

user output
`YES YES YES YES YES ...` view save

Test 25

Group: 3

Verdict: WRONG ANSWER

input
`6 4` view save

correct output
`RRRG RGBG RRGG BBGG GRBG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 26

Group: 3

Verdict: WRONG ANSWER

input
`6 6` view save

correct output
`RRRRRG GBGRBG GGGBBG GGGBBG GGRBRG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 27

Group: 3

Verdict: WRONG ANSWER

input
`2 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO` view save

Test 28

Group: 3

Verdict: WRONG ANSWER

input
`4 20` view save

correct output
`RRRRRRRRRRRRRRRRRRRG GBBBBBBBBBBBBBBBGRGG GGRRRRRRRRRRRRRRRBRG GRRRRRRRRRRRRRRRRBRR` view save

user output
`NO NO NO NO` view save

Test 29

Group: 3

Verdict: WRONG ANSWER

input
`4 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO NO NO` view save

Test 30

Group: 3

Verdict: WRONG ANSWER

input
`10 10` view save

correct output
`RRRRRRRRRG GBGRBBGRBG GGGBBGGBBG GGGBBGGBBG GGGBBGGBBG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 31

Group: 3

Verdict: WRONG ANSWER

input
`12 12` view save

correct output
`RRRRRRRRRRRG RGBBGRBBGRBG RRBGGBBGGBBG RRBGGBBGGBBG RRBGGBBGGBBG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 32

Group: 3

Verdict: WRONG ANSWER

input
`10 12` view save

correct output
`RRRRRRRRRRRG RGBBGRBBGRBG RRBGGBBGGBBG RRBGGBBGGBBG RRBGGBBGGBBG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 33

Group: 3

Verdict: WRONG ANSWER

input
`12 10` view save

correct output
`RRRRRRRRRG GBGRBBGRBG GGGBBGGBBG GGGBBGGBBG GGGBBGGBBG ...` view save

user output
`NO NO NO NO NO ...` view save

Test 34

Group: 3

Verdict: WRONG ANSWER

input
`10 90` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO NO NO NO ...` view save

Test 35

Group: 3

Verdict: WRONG ANSWER

input
`90 10` view save

correct output
`RRRRRRRRRG GBGRBBGRBG GGGBBGGBBG GGGBBGGBBG GGGBBGGBBG ...` view save

user output
`NO NO NO NO NO ...` Truncated

Test 36

Group: 3

Verdict: WRONG ANSWER

input
`100 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO NO NO NO ...` Truncated

Test 37

Group: 3

Verdict: WRONG ANSWER

input
`98 100` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO NO NO NO ...` Truncated

Test 38

Group: 3

Verdict: WRONG ANSWER

input
`100 98` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO NO NO NO ...` Truncated

Test 39

Group: 3

Verdict: WRONG ANSWER

input
`98 98` view save

correct output
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

user output
`NO NO NO NO NO ...` Truncated

Datatähti 2019 loppu

Robotti

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

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Tasks

Submissions (Roope Salmi)