CSES - Datatähti 2017 alku - Results
Submission details
Task:Järjestys
Sender:cattes
Submission time:2016-10-09 20:39:39 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.05 s1details
#20.05 s2details
#30.09 s3details

Code

#include <iostream>
#include <string.h>
int main() {
int tableSize;
std::cin >> tableSize;
std::cin.get();
int * table = new int[tableSize];
for (int i = 0; i < tableSize; i++) {
std::cin >> table[i];
}
std::cin.get();
//cache initial position of each number
int * positionCache;
positionCache = new int[tableSize];
for (int i = 0; i < tableSize; i++) {
positionCache[table[i]-1] = i;
}
//numPositions[num-1] contains the position of num
int * swaps = new int[1000000];
int swapcount = 0;
for (int i = 0; i < tableSize; i++) {
int found = positionCache[tableSize - i - 1];
if (found != 0) {
found = found - (swapcount/3);
}
if (found != tableSize - 1 - i) {
swaps[swapcount] = found + 1;
swaps[swapcount + 1] = tableSize - i;
swaps[swapcount + 2] = tableSize - i - 1;
swapcount = swapcount + 3;
}
}
int dispcount = swapcount;
for (int i = 0; i < swapcount; i++) {
if (swaps[i] == 0) {
dispcount--;
}
}
std::cout << dispcount << "\n";
for (int i = 0; i < swapcount; i++) {
if (swaps[i] != 0) {
std::cout << swaps[i] << " ";
}
}
std::cout << "\n";
std::cin.get();
return 0;
}

Test details

Test 1

Group: 1

Verdict:

input
10
9 3 4 7 6 5 10 2 8 1

correct output
32
10 10 9 10 9 8 7 9 4 2 1 4 5 2...

user output
26
7 10 9 1 9 8 7 8 7 1 7 6 1 6 5...

Test 2

Group: 2

Verdict:

input
1000
650 716 982 41 133 1000 876 92...

correct output
3984
207 207 206 207 128 127 126 12...

user output
2990
6 1000 999 96 999 998 130 998 ...

Test 3

Group: 3

Verdict:

input
100000
94703 47808 62366 31885 7091 8...

correct output
399956
98676 98676 98675 98676 62994 ...

user output
299993
35855 100000 99999 3259 99999 ...