CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:hepuu
Submission time:2024-11-03 16:44:09 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1--1, 2details
#2--1, 2details
#30.00 s1, 2details
#40.00 s1, 2details
#5--1, 2details
#6--1, 2details
#70.00 s1, 2details
#80.00 s1, 2details
#90.00 s1, 2details
#100.00 s1, 2details
#110.00 s1, 2details
#120.01 s2details
#130.00 s2details
#140.02 s2details
#150.00 s2details
#160.00 s2details
#17--2details
#180.55 s2details
#19--2details
#200.01 s2details
#21--2details
#220.29 s2details
#230.01 s2details
#240.01 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:20:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |         if(coinR < coinL && coinR > 0 || coinL==-1)
      |            ~~~~~~~~~~~~~~^~~~~~~~~~~~
input/code.cpp:25:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   25 |         else if (coinR > coinL && abs(coinL) > 0 || coinR==-1)
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Code

#include <iostream>
#include <bits/stdc++.h>

int main(){

    int n;
    std::string mj;

    std::cin >> n;
    std::cin >> mj;

    int r = mj.find('R');
    int coinR = mj.substr(r, n).find('*');
    int coinL = r-mj.substr(0, r).find_last_of('*');
    int c = 0;
    int ask = 0;
    mj = mj.replace(r, 1, 1, '.');

    do{
        if(coinR < coinL && coinR > 0 || coinL==-1)
        {
            mj=mj.substr(0, r+coinR)+"R"+mj.substr(r+coinR+1, n);
            ask += coinR;
        }
        else if (coinR > coinL && abs(coinL) > 0 || coinR==-1)
        {
            mj=mj.substr(0, r-abs(coinL))+"R"+mj.substr(r-abs(coinL)+1, n);
            ask += abs(coinL);
        }
        c++;
        r = mj.find('R');
        coinR = mj.substr(r, n).find('*');
        coinL = mj.substr(0, r).find_last_of('*')-r;
        mj = mj.replace(r, 1, 1, '.');
    }while(coinR != coinL);
    std::cout << ask <<' '<< c;
}

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
(empty)

Test 2

Group: 1, 2

Verdict:

input
10
...R......

correct output
0 0

user output
(empty)

Test 3

Group: 1, 2

Verdict:

input
10
**.R...***

correct output
12 5

user output
32 5

Test 4

Group: 1, 2

Verdict:

input
10
***R******

correct output
0 0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 10)

Test 5

Group: 1, 2

Verdict:

input
1000
R................................

correct output
947 9

user output
(empty)

Test 6

Group: 1, 2

Verdict:

input
1000
.................................

correct output
886 9

user output
(empty)

Test 7

Group: 1, 2

Verdict:

input
1000
.....*..*....**..**..*......*....

correct output
1287 400

user output
115544 401

Test 8

Group: 1, 2

Verdict:

input
1000
************.*****************...

correct output
0 0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 1000)

Test 9

Group: 1, 2

Verdict:

input
1000
******************************...

correct output
0 0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 1000)

Test 10

Group: 1, 2

Verdict:

input
1000
R*****************************...

correct output
999 999

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 1000)

Test 11

Group: 1, 2

Verdict:

input
1000
******************************...

correct output
999 999

user output
1 1

Test 12

Group: 2

Verdict:

input
10000
.......**........*...........*...

correct output
10971 999

user output
816895 1012

Test 13

Group: 2

Verdict:

input
10000
*..*....*......*.....*..*........

correct output
9999 999

user output
138 10

Test 14

Group: 2

Verdict:

input
10000
*.*.*...**.*...*....**.**.**.....

correct output
18766 5000

user output
16080165 5000

Test 15

Group: 2

Verdict:

input
10000
R*****************************...

correct output
9999 9999

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 10000)

Test 16

Group: 2

Verdict:

input
10000
******************************...

correct output
9999 9999

user output
1 1

Test 17

Group: 2

Verdict:

input
200000
.................................

correct output
0 0

user output
(empty)

Test 18

Group: 2

Verdict:

input
200000
.................................

correct output
299934 10000

user output
99836183 10013

Test 19

Group: 2

Verdict:

input
200000
**.***....**..**.....***.*..*....

correct output
299998 100000

user output
(empty)

Test 20

Group: 2

Verdict:

input
200000
******************************...

correct output
0 0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 200000)

Test 21

Group: 2

Verdict:

input
200000
R................................

correct output
133765 3

user output
(empty)

Test 22

Group: 2

Verdict:

input
200000
R................................

correct output
199982 5000

user output
21204429 5048

Test 23

Group: 2

Verdict:

input
200000
R*****************************...

correct output
199999 199999

user output
(empty)

Error:
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 18446744073709551615) > this->size() (which is 200000)

Test 24

Group: 2

Verdict:

input
200000
******************************...

correct output
199999 199999

user output
1 1