CSES - Datatähti 2017 alku - Results
Submission details
Task:Bittijono
Sender:ollpu
Submission time:2016-10-05 08:53:08 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.06 s1details
#2--2details
#3--3details

Code

#include <iostream>
using namespace std;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
long t[n], asd[n][2][2];
for (int i = 0; i < n; ++i) {
cin >> t[i];
}
long p1 = 0, p2 = 0;
for (int i = n-1; i >= 0; --i) {
if ((i+1)%2) {
p1 = max(p1, t[i]);
} else {
p2 = max(p2, t[i]);
}
asd[i][0][0] = p1;
asd[i][0][1] = p2;
}
p1 = 0, p2 = 0;
for (int i = 0; i < n; ++i) {
if (i%2) {
p2 = max(p2, t[i]);
} else {
p1 = max(p1, t[i]);
}
asd[i][1][0] = p1;
asd[i][1][1] = p2;
}
long sum = asd[0][0][0]+asd[0][0][1];
int m2i = -1;
for (int i = 1; i < n-1; ++i) {
long val = t[i] + max(asd[i-1][1][0], asd[i+1][0][1]) + max(asd[i-1][1][1], asd[i+1][0][0]);
if (val < sum) sum = val, m2i = i;
}
int m3i = -1, m3j = -1;
for (int i = 1; i < n-3; ++i) {
for (int j = i+2; j < n-1; ++j) {
long p1 = 0, p2 = 0, inv = 0, val = 0;
for (int k = 0; k < n; ++k) {
if (k == i || k == j) {
val += t[k];
inv++;
} else if ((k+inv)%2) {
p1 = max(p1, t[k]);
} else {
p2 = max(p2, t[k]);
}
}
val += p1 + p2;
if (val < sum) sum = val, m3i = i, m3j = j;
}
}
if (m3i != -1) {
cout << sum << ' ' << 3 << endl;
for (int i = 0; i < n; ++i) {
if (i < m3i) {
cout << i%2+1;
} else if (i == m3i) {
cout << 3;
} else if (i < m3j) {
cout << (i+1)%2+1;
} else if (i == m3j) {
cout << 3;
} else {
cout << i%2+1 << ' ';
}
cout << ' ';
}
} else if (m2i == -1) {
cout << sum << ' ' << 2 << endl;
for (int i = 0; i < n; ++i) {
cout << i%2+1 << ' ';
}
} else {
cout << sum << ' ' << 3 << endl;
for (int i = 0; i < n; ++i) {
if (i < m2i) {
cout << i%2+1 << ' ';
} else if (i > m2i) {
cout << (i+1)%2+1 << ' ';
} else cout << "3 ";
}
}
cout << endl;
}

Test details

Test 1

Group: 1

Verdict:

input
100
62
9
12
73
...

correct output
1
1
1
0
1
...

user output
200 2
1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...

Test 2

Group: 2

Verdict:

input
100000
565433
141881
120108
825392
...

correct output
1
1
0
0
1
...

user output
(empty)

Test 3

Group: 3

Verdict:

input
100000
374768524402011755
937067109466254318
389256426086302899
932585725667010169
...

correct output
0
1
1
1
1
...

user output
(empty)