Task: | Robotti |
Sender: | rottis |
Submission time: | 2024-10-28 10:49:57 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 30 |
#2 | ACCEPTED | 70 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.00 s | 1, 2 | details |
#2 | ACCEPTED | 0.00 s | 1, 2 | details |
#3 | ACCEPTED | 0.00 s | 1, 2 | details |
#4 | ACCEPTED | 0.00 s | 1, 2 | details |
#5 | ACCEPTED | 0.00 s | 1, 2 | details |
#6 | ACCEPTED | 0.00 s | 1, 2 | details |
#7 | ACCEPTED | 0.00 s | 1, 2 | details |
#8 | ACCEPTED | 0.00 s | 1, 2 | details |
#9 | ACCEPTED | 0.00 s | 1, 2 | details |
#10 | ACCEPTED | 0.00 s | 1, 2 | details |
#11 | ACCEPTED | 0.00 s | 1, 2 | details |
#12 | ACCEPTED | 0.00 s | 2 | details |
#13 | ACCEPTED | 0.00 s | 2 | details |
#14 | ACCEPTED | 0.00 s | 2 | details |
#15 | ACCEPTED | 0.00 s | 2 | details |
#16 | ACCEPTED | 0.00 s | 2 | details |
#17 | ACCEPTED | 0.01 s | 2 | details |
#18 | ACCEPTED | 0.01 s | 2 | details |
#19 | ACCEPTED | 0.01 s | 2 | details |
#20 | ACCEPTED | 0.01 s | 2 | details |
#21 | ACCEPTED | 0.01 s | 2 | details |
#22 | ACCEPTED | 0.01 s | 2 | details |
#23 | ACCEPTED | 0.01 s | 2 | details |
#24 | ACCEPTED | 0.01 s | 2 | details |
Compiler report
input/code.cpp: In function 'int main()': input/code.cpp:44:27: warning: 'robot_ptr' may be used uninitialized in this function [-Wmaybe-uninitialized] 44 | char *right_ptr = step(board, n, robot_ptr, RIGHT); | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Code
#define LEFT -1#define RIGHT 1#include <iostream>char* step(char* board, long n, char* robot, int dir) {if (robot == nullptr) {throw "you fucked it up idiot!!!";}while (robot >= board && robot < board + n*sizeof(char)) {robot += dir*sizeof(char);if (*robot == '*') {return robot;}}return nullptr;}void print_board(char* board, long n) {for (int i = 0; i < n; i++) {std::cout << board[i];}}int main() {long n;std::cin >> n;char *board = (char*) malloc((1+n) * sizeof(char));std::cin >> board;long long steps = 0;long coins_collected = 0;char *robot_ptr;for (long i = 0; i < n; i++) {if (board[i] == 'R') {robot_ptr = board + i;break;}}char *left_ptr = step(board, n, robot_ptr, LEFT);char *right_ptr = step(board, n, robot_ptr, RIGHT);while (!(left_ptr == nullptr && right_ptr == nullptr) && (( // either but not both is nullleft_ptr == nullptr || right_ptr == nullptr) ||( // both are not null and not in middle(long)(right_ptr - board) + (long)(left_ptr - board)!= 2*(long)(robot_ptr - board)))) {//std::cout << (long)(left_ptr - board) << ' ' << (long)(robot_ptr - board) << ' ' << (long)(right_ptr - board) << '\n';// closer to left?if (((robot_ptr - left_ptr < right_ptr - robot_ptr) && left_ptr != nullptr) || right_ptr == nullptr) {// go leftsteps += robot_ptr - left_ptr;robot_ptr = left_ptr;left_ptr = step(board, n, left_ptr, LEFT);} else {// go rightsteps += right_ptr - robot_ptr;robot_ptr = right_ptr;right_ptr = step(board, n, right_ptr, RIGHT);}coins_collected++;}std::cout << steps << ' ' << coins_collected << std::endl;return 0;}
Test details
Test 1
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1 R |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 2
Group: 1, 2
Verdict: ACCEPTED
input |
---|
10 ...R...... |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 3
Group: 1, 2
Verdict: ACCEPTED
input |
---|
10 **.R...*** |
correct output |
---|
12 5 |
user output |
---|
12 5 |
Test 4
Group: 1, 2
Verdict: ACCEPTED
input |
---|
10 ***R****** |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 5
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 R................................ |
correct output |
---|
947 9 |
user output |
---|
947 9 |
Test 6
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 ................................. |
correct output |
---|
886 9 |
user output |
---|
886 9 |
Test 7
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 .....*..*....**..**..*......*.... |
correct output |
---|
1287 400 |
user output |
---|
1287 400 |
Test 8
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 ************.*****************... |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 9
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 ******************************... |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 10
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 R*****************************... |
correct output |
---|
999 999 |
user output |
---|
999 999 |
Test 11
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 ******************************... |
correct output |
---|
999 999 |
user output |
---|
999 999 |
Test 12
Group: 2
Verdict: ACCEPTED
input |
---|
10000 .......**........*...........*... |
correct output |
---|
10971 999 |
user output |
---|
10971 999 |
Test 13
Group: 2
Verdict: ACCEPTED
input |
---|
10000 *..*....*......*.....*..*........ |
correct output |
---|
9999 999 |
user output |
---|
9999 999 |
Test 14
Group: 2
Verdict: ACCEPTED
input |
---|
10000 *.*.*...**.*...*....**.**.**..... |
correct output |
---|
18766 5000 |
user output |
---|
18766 5000 |
Test 15
Group: 2
Verdict: ACCEPTED
input |
---|
10000 R*****************************... |
correct output |
---|
9999 9999 |
user output |
---|
9999 9999 |
Test 16
Group: 2
Verdict: ACCEPTED
input |
---|
10000 ******************************... |
correct output |
---|
9999 9999 |
user output |
---|
9999 9999 |
Test 17
Group: 2
Verdict: ACCEPTED
input |
---|
200000 ................................. |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 18
Group: 2
Verdict: ACCEPTED
input |
---|
200000 ................................. |
correct output |
---|
299934 10000 |
user output |
---|
299934 10000 |
Test 19
Group: 2
Verdict: ACCEPTED
input |
---|
200000 **.***....**..**.....***.*..*.... |
correct output |
---|
299998 100000 |
user output |
---|
299998 100000 |
Test 20
Group: 2
Verdict: ACCEPTED
input |
---|
200000 ******************************... |
correct output |
---|
0 0 |
user output |
---|
0 0 |
Test 21
Group: 2
Verdict: ACCEPTED
input |
---|
200000 R................................ |
correct output |
---|
133765 3 |
user output |
---|
133765 3 |
Test 22
Group: 2
Verdict: ACCEPTED
input |
---|
200000 R................................ |
correct output |
---|
199982 5000 |
user output |
---|
199982 5000 |
Test 23
Group: 2
Verdict: ACCEPTED
input |
---|
200000 R*****************************... |
correct output |
---|
199999 199999 |
user output |
---|
199999 199999 |
Test 24
Group: 2
Verdict: ACCEPTED
input |
---|
200000 ******************************... |
correct output |
---|
199999 199999 |
user output |
---|
199999 199999 |