oj.uz

Submission #1028232

# Submission time Handle Problem Language Result Execution time Memory
1028232 2024-07-19T15:26:08 Z anango Boarding Passes (BOI22_passes) C++17
60 / 100
 1860 ms 251248 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
int INF = 1LL<<62;

void solve() {

    string S; cin >> S;
    int n = S.size();
    vector<int> ar(n); for (int i=0; i<n; i++) ar[i] = (S[i]-'A');
    int G = *max_element(ar.begin(), ar.end()); G++;
    int pref[n+1][G]; //count of character c, before index i
    int suff[n+1][G]; //count of character c, after or equal to index i
    for (int i=0; i<=n; i++) {
        for (int j=0; j<G; j++) {
            pref[i][j] = suff[i][j] = 0;
        }
    }
    for (int i=0; i<n; i++) {
        for (int j=0; j<=G; j++) {
            if (j==ar[i]) {
                pref[i+1][j] = pref[i][j]+1;
            }
            else {
                pref[i+1][j] = pref[i][j];
            }
        }
    }
    
    for (int i=n-1; i>=0; i--) {
        for (int j=0; j<G; j++) {
            if (j==ar[i]) {
                suff[i][j] = suff[i+1][j]+1;
            }
            else {
                suff[i][j] = suff[i+1][j];
            }
        }
    }
    //everyone before L boards from the front, everyone after or equal to it boards from the back. 
    vector<vector<int>> counts(G,vector<int>(G,0));     //counts[i][j] = sum of subsequences of (i,j) before l, and subsequences of (j,i) after L
    //counts[i][j] = sum of pref[k][j] for k<=L and ar[k]=i, and analogous expression for the suffix
    //first, get initial count values (for everyone boarding from the back)
    //and assuming that these are already boarded since the back breaker may not be the same for each group - that was false assumption
    //so precomp counts then ternary search on the breakpoint
    for (int j=0; j<G; j++) {
        for (int k=0; k<n; k++) {
            int i = ar[k];
            //cout << "adding " << i <<" " << j <<" " << k <<" " << j << " " << suff[k][j] << endl;
            counts[i][j] += suff[k+1][j];
        }
    }
    vector<vector<vector<int>>> acounts;
    acounts.push_back(counts);
    for (int L=0; L<n; L++) {

        //counts[i][j] = number of swaps required if i goes after j



        //transfer L to the right
        int cur = ar[L];
        for (int j=0; j<G; j++) {
            int delta = suff[L+1][j];
            int delta2 = pref[L][j];
            counts[cur][j] -= delta-delta2;
        }
        acounts.push_back(counts);
        
        /*cout << "TRANSFERRED TO " << L+1 << endl;
        for (int i=0; i<G; i++) {
            for (int j=0; j<G; j++) {
                cout << i <<" " << j <<" " << counts[i][j] << endl;
            }
        }
        cout << endl;*/
    }
    vector<int> dp;
    dp=vector<int>(1<<G,INF); //dp[mask] = min cost if this mask is at the beginning of the ordering
    dp[0] = 0;
    for (int mask=0; mask<1<<G; mask++) {
        for (int addon=0; addon<G; addon++) {
            if (mask&(1<<addon)) continue;
            int l = 0; int r = n;
            while (l<r) {
                int m1,m2;
                if (r-l>56) {
                    m1 = l+(r-l)/9;
                    m2 = r-(r-l)/9;
                }
                else {
                    m1 = l;
                    m2 = r;
                }
                int am1 = 0;
                for (int j=0; j<G; j++) {
                    if (mask&(1<<j)) {
                        am1+=2*acounts[m1][addon][j];
                    }
                    if (j==addon) {
                        am1+=acounts[m1][addon][j];
                    }
                }
                int am2 = 0;
                for (int j=0; j<G; j++) {
                    if (mask&(1<<j)) {
                        am2+=2*acounts[m2][addon][j];
                    }
                    if (j==addon) {
                        am2+=acounts[m2][addon][j];
                    }
                }
                //cout << "adding " << mask <<" " << addon <<" " << l <<" " << r <<" " << m1 <<" " << m2 <<" " << am1 <<" " << am2 << endl;
                if (am1>am2) {
                    l=m1+1; r=r;
                }
                else if (am1<am2) {
                    l=l; r=m2-1;
                }
                else {
                    l=m1+1; r=m2;
                }
                //cout << mask <<" " << addon <<" " << al <<endl;
            }
            int al = 0;
            for (int j=0; j<G; j++) {
                if (mask&(1<<j)) {
                    al+=2*acounts[l][addon][j];
                }
                if (j==addon) {
                    al+=acounts[l][addon][j];
                }
            }
            dp[mask | (1<<addon)] = min(dp[mask | (1<<addon)],dp[mask]+al);
        }
    }
    int ans=dp[(1<<G)-1];

    int a2 = ans/2;
    cout << a2;
    if (ans%2==1) cout << ".50";
    cout << endl;
}

signed main() {
    int local=0;
    if (local) {
        // for getting input from input.txt
        freopen("input.txt", "r", stdin);
        // for writing output to output.txt
        freopen("output.txt", "w", stdout);
    }
    /*#ifdef ONLINE_JUDGE
    	ios_base::sync_with_stdio(false);
    	cin.tie(NULL);
    #endif*/ //fast IO
    solve();
    
}

Compilation message

passes.cpp: In function 'int main()':
passes.cpp:149:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  149 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
passes.cpp:151:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  151 |         freopen("output.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 0 ms 344 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 0 ms 348 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 0 ms 360 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 0 ms 348 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 11 ms 9488 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 14 ms 10764 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 16 ms 11532 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 16 ms 11532 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
2 Correct 0 ms 348 KB found '1225.0000000000', expected '1225.0000000000', error '0.0000000000'
3 Correct 1 ms 348 KB found '1023.0000000000', expected '1023.0000000000', error '0.0000000000'
4 Correct 1 ms 348 KB found '294.0000000000', expected '294.0000000000', error '0.0000000000'
5 Correct 1 ms 348 KB found '1087.0000000000', expected '1087.0000000000', error '0.0000000000'
6 Correct 0 ms 348 KB found '1.5000000000', expected '1.5000000000', error '0.0000000000'
7 Correct 1 ms 348 KB found '703.0000000000', expected '703.0000000000', error '0.0000000000'
8 Correct 1 ms 348 KB found '55.5000000000', expected '55.5000000000', error '0.0000000000'
9 Correct 1 ms 348 KB found '56.0000000000', expected '56.0000000000', error '0.0000000000'
10 Correct 1 ms 432 KB found '45.0000000000', expected '45.0000000000', error '0.0000000000'
11 Correct 1 ms 348 KB found '66.5000000000', expected '66.5000000000', error '0.0000000000'
12 Correct 1 ms 348 KB found '67.0000000000', expected '67.0000000000', error '0.0000000000'
13 Correct 0 ms 348 KB found '66.0000000000', expected '66.0000000000', error '0.0000000000'
14 Correct 1 ms 348 KB found '47.0000000000', expected '47.0000000000', error '0.0000000000'
15 Correct 1 ms 348 KB found '50.0000000000', expected '50.0000000000', error '0.0000000000'
16 Correct 0 ms 348 KB found '49.0000000000', expected '49.0000000000', error '0.0000000000'
17 Correct 1 ms 348 KB found '57.0000000000', expected '57.0000000000', error '0.0000000000'

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
2 Correct 0 ms 348 KB found '1225.0000000000', expected '1225.0000000000', error '0.0000000000'
3 Correct 1 ms 348 KB found '1023.0000000000', expected '1023.0000000000', error '0.0000000000'
4 Correct 1 ms 348 KB found '294.0000000000', expected '294.0000000000', error '0.0000000000'
5 Correct 1 ms 348 KB found '1087.0000000000', expected '1087.0000000000', error '0.0000000000'
6 Correct 0 ms 348 KB found '1.5000000000', expected '1.5000000000', error '0.0000000000'
7 Correct 1 ms 348 KB found '703.0000000000', expected '703.0000000000', error '0.0000000000'
8 Correct 1 ms 348 KB found '55.5000000000', expected '55.5000000000', error '0.0000000000'
9 Correct 1 ms 348 KB found '56.0000000000', expected '56.0000000000', error '0.0000000000'
10 Correct 1 ms 432 KB found '45.0000000000', expected '45.0000000000', error '0.0000000000'
11 Correct 1 ms 348 KB found '66.5000000000', expected '66.5000000000', error '0.0000000000'
12 Correct 1 ms 348 KB found '67.0000000000', expected '67.0000000000', error '0.0000000000'
13 Correct 0 ms 348 KB found '66.0000000000', expected '66.0000000000', error '0.0000000000'
14 Correct 1 ms 348 KB found '47.0000000000', expected '47.0000000000', error '0.0000000000'
15 Correct 1 ms 348 KB found '50.0000000000', expected '50.0000000000', error '0.0000000000'
16 Correct 0 ms 348 KB found '49.0000000000', expected '49.0000000000', error '0.0000000000'
17 Correct 1 ms 348 KB found '57.0000000000', expected '57.0000000000', error '0.0000000000'
18 Correct 1 ms 348 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
19 Correct 0 ms 348 KB found '1225.0000000000', expected '1225.0000000000', error '0.0000000000'
20 Correct 1 ms 348 KB found '1023.0000000000', expected '1023.0000000000', error '0.0000000000'
21 Correct 1 ms 344 KB found '294.0000000000', expected '294.0000000000', error '0.0000000000'
22 Correct 1 ms 412 KB found '1087.0000000000', expected '1087.0000000000', error '0.0000000000'
23 Correct 0 ms 348 KB found '1.5000000000', expected '1.5000000000', error '0.0000000000'
24 Correct 1 ms 348 KB found '703.0000000000', expected '703.0000000000', error '0.0000000000'
25 Correct 1 ms 344 KB found '55.5000000000', expected '55.5000000000', error '0.0000000000'
26 Correct 1 ms 348 KB found '56.0000000000', expected '56.0000000000', error '0.0000000000'
27 Correct 1 ms 348 KB found '45.0000000000', expected '45.0000000000', error '0.0000000000'
28 Correct 1 ms 348 KB found '66.5000000000', expected '66.5000000000', error '0.0000000000'
29 Correct 1 ms 604 KB found '67.0000000000', expected '67.0000000000', error '0.0000000000'
30 Correct 1 ms 348 KB found '66.0000000000', expected '66.0000000000', error '0.0000000000'
31 Correct 1 ms 436 KB found '47.0000000000', expected '47.0000000000', error '0.0000000000'
32 Correct 0 ms 348 KB found '50.0000000000', expected '50.0000000000', error '0.0000000000'
33 Correct 1 ms 348 KB found '49.0000000000', expected '49.0000000000', error '0.0000000000'
34 Correct 1 ms 348 KB found '57.0000000000', expected '57.0000000000', error '0.0000000000'
35 Correct 9 ms 10124 KB found '12497500.0000000000', expected '12497500.0000000000', error '0.0000000000'
36 Correct 12 ms 10388 KB found '12495000.5000000000', expected '12495000.5000000000', error '0.0000000000'
37 Correct 34 ms 14068 KB found '12223392.0000000000', expected '12223392.0000000000', error '0.0000000000'
38 Correct 21 ms 14228 KB found '2372500.0000000000', expected '2372500.0000000000', error '0.0000000000'
39 Correct 20 ms 14228 KB found '12475017.5000000000', expected '12475017.5000000000', error '0.0000000000'
40 Correct 20 ms 13972 KB found '10655706.0000000000', expected '10655706.0000000000', error '0.0000000000'
41 Correct 23 ms 13972 KB found '11977895.5000000000', expected '11977895.5000000000', error '0.0000000000'
42 Correct 27 ms 13720 KB found '11977865.0000000000', expected '11977865.0000000000', error '0.0000000000'
43 Correct 26 ms 13720 KB found '11977907.5000000000', expected '11977907.5000000000', error '0.0000000000'
44 Correct 25 ms 13912 KB found '11977808.0000000000', expected '11977808.0000000000', error '0.0000000000'
45 Correct 25 ms 13752 KB found '11977791.0000000000', expected '11977791.0000000000', error '0.0000000000'
46 Correct 24 ms 13720 KB found '11977871.5000000000', expected '11977871.5000000000', error '0.0000000000'

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 0 ms 344 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 0 ms 348 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 0 ms 360 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 0 ms 348 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 11 ms 9488 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 14 ms 10764 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 16 ms 11532 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 16 ms 11532 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'
10 Correct 1 ms 604 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
11 Correct 0 ms 348 KB found '1225.0000000000', expected '1225.0000000000', error '0.0000000000'
12 Correct 1 ms 348 KB found '1023.0000000000', expected '1023.0000000000', error '0.0000000000'
13 Correct 1 ms 348 KB found '294.0000000000', expected '294.0000000000', error '0.0000000000'
14 Correct 1 ms 348 KB found '1087.0000000000', expected '1087.0000000000', error '0.0000000000'
15 Correct 0 ms 348 KB found '1.5000000000', expected '1.5000000000', error '0.0000000000'
16 Correct 1 ms 348 KB found '703.0000000000', expected '703.0000000000', error '0.0000000000'
17 Correct 1 ms 348 KB found '55.5000000000', expected '55.5000000000', error '0.0000000000'
18 Correct 1 ms 348 KB found '56.0000000000', expected '56.0000000000', error '0.0000000000'
19 Correct 1 ms 432 KB found '45.0000000000', expected '45.0000000000', error '0.0000000000'
20 Correct 1 ms 348 KB found '66.5000000000', expected '66.5000000000', error '0.0000000000'
21 Correct 1 ms 348 KB found '67.0000000000', expected '67.0000000000', error '0.0000000000'
22 Correct 0 ms 348 KB found '66.0000000000', expected '66.0000000000', error '0.0000000000'
23 Correct 1 ms 348 KB found '47.0000000000', expected '47.0000000000', error '0.0000000000'
24 Correct 1 ms 348 KB found '50.0000000000', expected '50.0000000000', error '0.0000000000'
25 Correct 0 ms 348 KB found '49.0000000000', expected '49.0000000000', error '0.0000000000'
26 Correct 1 ms 348 KB found '57.0000000000', expected '57.0000000000', error '0.0000000000'
27 Correct 1 ms 348 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
28 Correct 0 ms 348 KB found '1225.0000000000', expected '1225.0000000000', error '0.0000000000'
29 Correct 1 ms 348 KB found '1023.0000000000', expected '1023.0000000000', error '0.0000000000'
30 Correct 1 ms 344 KB found '294.0000000000', expected '294.0000000000', error '0.0000000000'
31 Correct 1 ms 412 KB found '1087.0000000000', expected '1087.0000000000', error '0.0000000000'
32 Correct 0 ms 348 KB found '1.5000000000', expected '1.5000000000', error '0.0000000000'
33 Correct 1 ms 348 KB found '703.0000000000', expected '703.0000000000', error '0.0000000000'
34 Correct 1 ms 344 KB found '55.5000000000', expected '55.5000000000', error '0.0000000000'
35 Correct 1 ms 348 KB found '56.0000000000', expected '56.0000000000', error '0.0000000000'
36 Correct 1 ms 348 KB found '45.0000000000', expected '45.0000000000', error '0.0000000000'
37 Correct 1 ms 348 KB found '66.5000000000', expected '66.5000000000', error '0.0000000000'
38 Correct 1 ms 604 KB found '67.0000000000', expected '67.0000000000', error '0.0000000000'
39 Correct 1 ms 348 KB found '66.0000000000', expected '66.0000000000', error '0.0000000000'
40 Correct 1 ms 436 KB found '47.0000000000', expected '47.0000000000', error '0.0000000000'
41 Correct 0 ms 348 KB found '50.0000000000', expected '50.0000000000', error '0.0000000000'
42 Correct 1 ms 348 KB found '49.0000000000', expected '49.0000000000', error '0.0000000000'
43 Correct 1 ms 348 KB found '57.0000000000', expected '57.0000000000', error '0.0000000000'
44 Correct 9 ms 10124 KB found '12497500.0000000000', expected '12497500.0000000000', error '0.0000000000'
45 Correct 12 ms 10388 KB found '12495000.5000000000', expected '12495000.5000000000', error '0.0000000000'
46 Correct 34 ms 14068 KB found '12223392.0000000000', expected '12223392.0000000000', error '0.0000000000'
47 Correct 21 ms 14228 KB found '2372500.0000000000', expected '2372500.0000000000', error '0.0000000000'
48 Correct 20 ms 14228 KB found '12475017.5000000000', expected '12475017.5000000000', error '0.0000000000'
49 Correct 20 ms 13972 KB found '10655706.0000000000', expected '10655706.0000000000', error '0.0000000000'
50 Correct 23 ms 13972 KB found '11977895.5000000000', expected '11977895.5000000000', error '0.0000000000'
51 Correct 27 ms 13720 KB found '11977865.0000000000', expected '11977865.0000000000', error '0.0000000000'
52 Correct 26 ms 13720 KB found '11977907.5000000000', expected '11977907.5000000000', error '0.0000000000'
53 Correct 25 ms 13912 KB found '11977808.0000000000', expected '11977808.0000000000', error '0.0000000000'
54 Correct 25 ms 13752 KB found '11977791.0000000000', expected '11977791.0000000000', error '0.0000000000'
55 Correct 24 ms 13720 KB found '11977871.5000000000', expected '11977871.5000000000', error '0.0000000000'
56 Correct 148 ms 716 KB found '7.5000000000', expected '7.5000000000', error '0.0000000000'
57 Correct 295 ms 756 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
58 Correct 1 ms 348 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
59 Correct 0 ms 348 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
60 Correct 0 ms 344 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
61 Correct 0 ms 348 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
62 Correct 1 ms 348 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
63 Correct 12 ms 9488 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
64 Correct 14 ms 10812 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
65 Correct 14 ms 11528 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
66 Correct 18 ms 11528 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'
67 Correct 0 ms 348 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
68 Correct 0 ms 348 KB found '1225.0000000000', expected '1225.0000000000', error '0.0000000000'
69 Correct 1 ms 348 KB found '1023.0000000000', expected '1023.0000000000', error '0.0000000000'
70 Correct 1 ms 348 KB found '294.0000000000', expected '294.0000000000', error '0.0000000000'
71 Correct 1 ms 348 KB found '1087.0000000000', expected '1087.0000000000', error '0.0000000000'
72 Correct 0 ms 348 KB found '1.5000000000', expected '1.5000000000', error '0.0000000000'
73 Correct 1 ms 348 KB found '703.0000000000', expected '703.0000000000', error '0.0000000000'
74 Correct 0 ms 348 KB found '55.5000000000', expected '55.5000000000', error '0.0000000000'
75 Correct 1 ms 348 KB found '56.0000000000', expected '56.0000000000', error '0.0000000000'
76 Correct 1 ms 348 KB found '45.0000000000', expected '45.0000000000', error '0.0000000000'
77 Correct 0 ms 348 KB found '66.5000000000', expected '66.5000000000', error '0.0000000000'
78 Correct 1 ms 348 KB found '67.0000000000', expected '67.0000000000', error '0.0000000000'
79 Correct 1 ms 348 KB found '66.0000000000', expected '66.0000000000', error '0.0000000000'
80 Correct 1 ms 348 KB found '47.0000000000', expected '47.0000000000', error '0.0000000000'
81 Correct 1 ms 348 KB found '50.0000000000', expected '50.0000000000', error '0.0000000000'
82 Correct 1 ms 432 KB found '49.0000000000', expected '49.0000000000', error '0.0000000000'
83 Correct 1 ms 348 KB found '57.0000000000', expected '57.0000000000', error '0.0000000000'
84 Correct 10 ms 10136 KB found '12497500.0000000000', expected '12497500.0000000000', error '0.0000000000'
85 Correct 9 ms 10328 KB found '12495000.5000000000', expected '12495000.5000000000', error '0.0000000000'
86 Correct 29 ms 14228 KB found '12223392.0000000000', expected '12223392.0000000000', error '0.0000000000'
87 Correct 22 ms 14204 KB found '2372500.0000000000', expected '2372500.0000000000', error '0.0000000000'
88 Correct 19 ms 14232 KB found '12475017.5000000000', expected '12475017.5000000000', error '0.0000000000'
89 Correct 21 ms 13976 KB found '10655706.0000000000', expected '10655706.0000000000', error '0.0000000000'
90 Correct 24 ms 13720 KB found '11977895.5000000000', expected '11977895.5000000000', error '0.0000000000'
91 Correct 25 ms 13720 KB found '11977865.0000000000', expected '11977865.0000000000', error '0.0000000000'
92 Correct 23 ms 13760 KB found '11977907.5000000000', expected '11977907.5000000000', error '0.0000000000'
93 Correct 42 ms 13720 KB found '11977808.0000000000', expected '11977808.0000000000', error '0.0000000000'
94 Correct 26 ms 13720 KB found '11977791.0000000000', expected '11977791.0000000000', error '0.0000000000'
95 Correct 26 ms 13716 KB found '11977871.5000000000', expected '11977871.5000000000', error '0.0000000000'
96 Incorrect 1860 ms 251248 KB 1st numbers differ - expected: '1239972790.0000000000', found: '1239972795.0000000000', error = '0.0000000040'
97 Halted 0 ms 0 KB -