CSES - Datatähti 2018 loppu - Results
Submission details
Task:Merkkijono
Sender:ollpu
Submission time:2018-01-18 12:45:54 +0200
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED100
Test results
testverdicttime
#1ACCEPTED0.03 sdetails
#2ACCEPTED0.05 sdetails
#3ACCEPTED0.04 sdetails
#4ACCEPTED0.05 sdetails
#5ACCEPTED0.06 sdetails

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:19:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.size(); ++i) {
                       ^
input/code.cpp:33:12: warning: 'mni' may be used uninitialized in this function [-Wmaybe-uninitialized]
   while (o != mni) {
            ^

Code

#include <iostream>
#include <vector>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
string s;
cin >> s;
int n = s.size();
vector<int> r;
int o = 0;
char mnc = 'a';
int mni;
for (int i = 0; i < n; ++i) {
if (s[i] < mnc) mnc = s[i], mni = i;
}
while (true) {
bool f = 0;
for (int i = 0; i < s.size(); ++i) {
if ((n-i+o+1)%n == mni) continue;
if (s[(n-i+o)%n] > s[(n-i+o+1)%n]) {
f = 1;
o += n-i;
o %= n;
for (int j = 0; j < i; ++j) r.push_back(0);
}
}
if (f) {
r.push_back(1);
swap(s[o], s[(o+1)%n]);
} else break;
}
while (o != mni) {
r.push_back(0);
o += n-1;
o %= n;
}
cout << r.size() << endl;
for (int rr : r) {
if (rr) cout << "SWAP\n";
else cout << "MOVE\n";
}
}

Test details

Test 1

Verdict: ACCEPTED

input
ABCDEFGHIJKLMNOPQRSTUVWXYZ

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
ZYXWVUTSRQPONMLKJIHGFEDCBA

correct output
923
MOVE
MOVE
SWAP
MOVE
...

user output
36935
MOVE
MOVE
MOVE
MOVE
...

Test 3

Verdict: ACCEPTED

input
RPJMFWBHYQOTXUAENLDGZISCVK

correct output
611
SWAP
MOVE
MOVE
SWAP
...

user output
11253
MOVE
MOVE
MOVE
MOVE
...

Test 4

Verdict: ACCEPTED

input
GWJSPBHANMXYFLKIDORVUCEZQT

correct output
659
MOVE
SWAP
MOVE
SWAP
...

user output
17055
MOVE
MOVE
MOVE
MOVE
...

Test 5

Verdict: ACCEPTED

input
BJYNFLKEIUCZMQHRAXOGWPSDTV

correct output
624
MOVE
SWAP
MOVE
SWAP
...

user output
11432
MOVE
MOVE
MOVE
MOVE
...