oj.uz

Submission #374174

# Submission time Handle Problem Language Result Execution time Memory
374174 2021-03-06T19:45:29 Z gustason ASM (LMIO18_asm) C++14
100 / 100
 129 ms 620 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define int ll
ll INF = 1LL << 62;
int n;
vector<pair<ll, ll>> a;
ll subll(ll x, int l, int r) {
    string s = to_string(x);
    s = s.substr(l, (r-l)+1);
    if (s.empty()) return -1;
    return stoll(s);
}
bool check(vector<pair<char, int>> ans) {
    string str[n+1];
    for(int i = 0; i < n; i++) {
        ll x = a[i].first;
        string s = to_string(a[i].second);

        for(auto j : ans) {
            if (j.first == 'm') {
                x *= j.second;
            } else if (j.first == 'a') {
                x += j.second;
            } else {
                string st = to_string(x);
                str[i] += st;
            }
            if (x > a[i].second) return false;
        }
//        cout << last[i] << "\n";
        if (str[i] != s) return false;
    }
//    cerr << "\n";
    return true;
}
pair<ll, ll> checkpair(pair<ll, ll> x, pair<ll, ll> y) {
    ll diff1 = y.first - x.first;
    ll diff2 = y.second - x.second;
    if (diff1 < 0) return {-1, -1};
    if (diff2 < 0) return {-1, -1};

    if (diff2 == 0) diff2++;
    ll mult = (diff2) / (diff1);
    if (mult == 0) {
        if (x.second != y.second)
            return {-1, -1};
        else
            return {0, x.second};
    }
    if (INF / mult < x.first) return {-1, -1};

    ll add = x.second - (x.first * mult);
    return {mult, add};
}
void printAns(vector<pair<char, ll>> ans) {
    cout << ans.size() << "\n";
    for(auto i : ans) {
        if (i.first == 'm') {
            cout << "multiply " << i.second;
        } else if (i.first == 'a') {
            cout << "add " << i.second;
        } else {
            cout << "print";
        }
        cout << "\n";
    }
    exit(0);
}
void solveOne(ll x, ll y) {
    vector<pair<char, int>> ans;
    if (x > y) {
        ans.push_back({'m', 0});
        x = 0;
    }
    if (y - x != 0)
        ans.push_back({'a', y - x});
    ans.push_back({'p', -1});
    printAns(ans);
}
vector<vector<int>> split(int na) {
    vector<vector<int>> splita;
    for(int mask = 0; mask < (1 << na); mask++) {
        int last = 0, lastl = 0;
        vector<int> idx;
        for(int i = 0; i < na; i++) {
            if (mask & (1 << i)) {
                if (i - last < lastl)
                    goto Done;
                idx.push_back(i);
                lastl = i - last;
                last = i;
            }
        }
        if (idx.empty() || idx.back() != na-1)
            idx.push_back(na-1);
        if ((na - 1) - last < lastl) continue;
        splita.push_back(idx);
        Done:;
    }
    return splita;
}
void solve() {
    if (n == 1)
        solveOne(a[0].first, a[0].second);
    sort(a.begin(), a.end(), [](pair<ll, ll>& left, pair<ll, ll>& right){return left.second < right.second;});

    vector<pair<char, int>> same;
    same.push_back({'m', 0});
    if (a[0].second != 0)
        same.push_back({'a', a[0].second});
    same.push_back({'p', -1});
    if (check(same)) {
        printAns(same);
    }

    int na = ceil(log10(a[0].second));
    int nb = ceil(log10(a[1].second));
    int best = 999;
    vector<pair<char, int>> ans;
    vector<vector<int>> splita = split(na),
                        splitb = split(nb);

    int cnt = 0;
    for(auto i : splita) {
        for(auto j : splitb) {

            if (i.size() != j.size()) continue;
//            if (i.size() == 4) {
//            for(int ii : i) {
//                cout << ii << " ";
//            } cout << "\n";
//            for(int jj : j) {
//                cout << jj << " ";
//            } cout << "\n";
//            }
            ll curra = a[0].first, currb = a[1].first;
            pair<int, int> last = {-1, -1};
            vector<pair<char, int>> ins;
//            vector<int> vx = {0, 1, 3, 6};
//            vector<int> vy = {1, 3, 6, 9};
//            if (i != vx || j != vy) continue;
            for(int k = 0; k < i.size(); k++) {
                ll x = subll(a[0].second, last.first+1, i[k]);
                ll y = subll(a[1].second, last.second+1, j[k]);
                if (x == -1 || y == -1) goto Done;

                last = {i[k], j[k]};
//                cout << x << " " << y << "\n";
                pair<ll, ll> got = checkpair({curra, x}, {currb, y});
                if (got.first == -1) goto Done;
                if (got.first == 0) goto Done;
                if (got.first != 1) ins.push_back({'m', got.first});
                if (got.second != 0)
                    ins.push_back({'a', got.second});
                ins.push_back({'p', -1});
//                cout << curra << " " << currb << " " << got.first << " " << got.second << " " << x << " " << y << " " << i[k] << " " << j[k] << "\n";
                curra *= got.first;
                curra += got.second;
                currb *= got.first;
                currb += got.second;
                if (ins.size() > best) goto Done;
//                cout << curra << " " << currb << "\n";
//                cout << curra << " " << currb << " " << got.first << " " << got.second << "\n";
            }
//            cerr << "\n";
            if (ins.size() < best && check(ins)) {
                best = ins.size();
                ans = ins;
                printAns(ans);
            }
            Done:;
        }
   }

   if (best != 999) {
        printAns(ans);
   } else {
        cout << -1;
   }
//   cout << "\n" << cnt << "\n";
//    for(auto i : splitb) {
//        cout << i.size() << "\n";
//    }
//    cout << splita.size() << " " << splitb.size() << "\n";
}
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
//    freopen("test.in", "r", stdin);
    cin >> n;
    a.resize(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i].first >> a[i].second;
    }
    solve();
    return 0;
}

Compilation message

asm.cpp: In function 'void solve()':
asm.cpp:143:30: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  143 |             for(int k = 0; k < i.size(); k++) {
      |                            ~~^~~~~~~~~~
asm.cpp:162:32: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<char, long long int> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
  162 |                 if (ins.size() > best) goto Done;
      |                     ~~~~~~~~~~~^~~~~~
asm.cpp:167:28: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<char, long long int> >::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
  167 |             if (ins.size() < best && check(ins)) {
      |                 ~~~~~~~~~~~^~~~~~
asm.cpp:124:9: warning: unused variable 'cnt' [-Wunused-variable]
  124 |     int cnt = 0;
      |         ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 380 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 0 ms 364 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 0 ms 364 KB Output is correct
36 Correct 0 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 0 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 380 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 0 ms 364 KB Output is correct
43 Correct 0 ms 364 KB Output is correct
44 Correct 1 ms 384 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 0 ms 364 KB Output is correct
50 Correct 0 ms 364 KB Output is correct
51 Correct 0 ms 364 KB Output is correct
52 Correct 0 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 129 ms 456 KB Output is correct
57 Correct 129 ms 492 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 2 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 1 ms 364 KB Output is correct
65 Correct 11 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 22 ms 364 KB Output is correct
68 Correct 1 ms 364 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 2 ms 364 KB Output is correct
71 Correct 3 ms 364 KB Output is correct
72 Correct 22 ms 364 KB Output is correct
73 Correct 1 ms 364 KB Output is correct
74 Correct 20 ms 364 KB Output is correct
75 Correct 51 ms 492 KB Output is correct
76 Correct 52 ms 364 KB Output is correct
77 Correct 48 ms 364 KB Output is correct
78 Correct 47 ms 364 KB Output is correct
79 Correct 68 ms 620 KB Output is correct
80 Correct 47 ms 364 KB Output is correct
81 Correct 7 ms 364 KB Output is correct
82 Correct 68 ms 364 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 57 ms 492 KB Output is correct
85 Correct 1 ms 384 KB Output is correct
86 Correct 57 ms 492 KB Output is correct