oj.uz

Submission #682165

# Submission time Handle Problem Language Result Execution time Memory
682165 2023-01-16T02:46:40 Z vuavisao Progression (NOI20_progression) C++14
24 / 100
 3000 ms 24140 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define ll long long
using namespace std;

const ll N = 3e5 + 10;

struct que {
    ll type = 0;
    ll l = 0, r = 0;
    ll s = 0, c = 0;
    que() {};
    friend istream& operator >> (istream& is, que& other) {
        is >> other.type >> other.l >> other.r;
        if(other.type <= 2) is >> other.s >> other.c;
        return is;
    }
};

ll n, q;
ll a[N];
que qq[N];

namespace sub1 {
    bool check() {
        for(ll i = 1; i <= q; ++ i) {
            if(qq[i].l != 1 || qq[i].r != n) return false;
        }
        return true;
    }

    ll res = 1;
    void solve() {
        for(ll i = 1, j; i < n; i = j - 1) {
            j = i + 1;
            ll s = a[j] - a[i];
            while(j <= n && a[j] - a[j - 1] == s) ++ j;
            res = max(res, j - i);
        }
        for(ll i = 1; i <= q; ++ i) {
            const auto& psy = qq[i];
            if(psy.type == 3) cout << res << '\n';
            else if(psy.type == 2) {
                res = n;
            }
        }
    }
}

namespace sub2 {
    void solve() {
        auto get_far = [&] (ll l, ll r) -> ll {
            ll res = 1;
            for(ll i = l, j; i < r; i = j - 1) {
                j = i + 1;
                ll s = a[j] - a[i];
                while(j <= r && a[j] - a[j - 1] == s) ++ j;
                res = max(res, j - i);
            }
            return res;
        };
        for(ll i = 1; i <= q; ++ i) {
            const auto& psy = qq[i];
            ll type = psy.type;
            if(type == 1) {
                ll add[2] = {psy.s, psy.c};
                for(ll i = psy.l; i <= psy.r; ++ i) {
                    a[i] += add[0];
                    add[0] += add[1];
                }
            }
            else if(type == 2) {
                ll add[2] = {psy.s, psy.c};
                for(ll i = psy.l; i <= psy.r; ++ i) {
                    a[i] = add[0];
                    add[0] += add[1];
                }
            }
            else {
//                cout << psy.l << ' ' << psy.r << '\n';
                cout << get_far(psy.l, psy.r) << '\n';
            }
        }
    }
}

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    if (fopen("Progression.inp", "r")) {
        freopen("Progression.inp", "r", stdin);
        freopen("Progression.out", "w", stdout);
    }
    cin >> n >> q;
    for(ll i = 1; i <= n; ++ i) cin >> a[i];
    for(ll i = 1; i <= q; ++ i) cin >> qq[i];
    if(sub1::check()) {
        sub1::solve();
        return 0;
    }
//    if(sub3::check()) {
//        sub3::solve();
//        return 0;
//    }
    sub2::solve();
    return 0;
}

/// Code by vuavisao

Compilation message

Progression.cpp: In function 'int32_t main()':
Progression.cpp:93:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   93 |         freopen("Progression.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Progression.cpp:94:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   94 |         freopen("Progression.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 127 ms 22948 KB Output is correct
2 Correct 94 ms 15236 KB Output is correct
3 Correct 102 ms 15180 KB Output is correct
4 Correct 74 ms 15244 KB Output is correct
5 Correct 73 ms 15364 KB Output is correct
6 Correct 78 ms 15308 KB Output is correct
7 Correct 90 ms 15180 KB Output is correct
8 Correct 7 ms 12000 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 114 ms 22996 KB Output is correct
12 Correct 121 ms 22860 KB Output is correct
13 Correct 132 ms 23244 KB Output is correct
14 Correct 115 ms 23336 KB Output is correct
15 Correct 120 ms 23080 KB Output is correct
16 Correct 137 ms 22860 KB Output is correct
17 Correct 120 ms 22824 KB Output is correct
18 Correct 124 ms 22840 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 6 ms 12080 KB Output is correct
3 Correct 6 ms 12076 KB Output is correct
4 Correct 7 ms 12076 KB Output is correct
5 Correct 6 ms 12080 KB Output is correct
6 Correct 6 ms 12116 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 6 ms 12092 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 7 ms 12080 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 5 ms 11988 KB Output is correct
15 Correct 6 ms 11988 KB Output is correct
16 Correct 7 ms 11988 KB Output is correct
17 Correct 6 ms 11988 KB Output is correct
18 Correct 6 ms 12088 KB Output is correct
19 Correct 6 ms 11988 KB Output is correct
20 Correct 6 ms 11988 KB Output is correct
21 Correct 6 ms 12020 KB Output is correct

Subtask #3
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 21344 KB Output is correct
2 Correct 67 ms 14668 KB Output is correct
3 Correct 66 ms 14732 KB Output is correct
4 Correct 78 ms 14728 KB Output is correct
5 Correct 84 ms 14864 KB Output is correct
6 Correct 70 ms 14860 KB Output is correct
7 Correct 67 ms 14852 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 11984 KB Output is correct
10 Correct 5 ms 11988 KB Output is correct
11 Execution timed out 3080 ms 19444 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 24140 KB Output is correct
2 Correct 83 ms 15388 KB Output is correct
3 Correct 79 ms 15372 KB Output is correct
4 Correct 78 ms 15368 KB Output is correct
5 Correct 79 ms 15420 KB Output is correct
6 Correct 97 ms 15312 KB Output is correct
7 Correct 82 ms 15356 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 12076 KB Output is correct
10 Correct 5 ms 12084 KB Output is correct
11 Execution timed out 3087 ms 20816 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 21344 KB Output is correct
2 Correct 67 ms 14668 KB Output is correct
3 Correct 66 ms 14732 KB Output is correct
4 Correct 78 ms 14728 KB Output is correct
5 Correct 84 ms 14864 KB Output is correct
6 Correct 70 ms 14860 KB Output is correct
7 Correct 67 ms 14852 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 11984 KB Output is correct
10 Correct 5 ms 11988 KB Output is correct
11 Execution timed out 3080 ms 19444 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 127 ms 22948 KB Output is correct
2 Correct 94 ms 15236 KB Output is correct
3 Correct 102 ms 15180 KB Output is correct
4 Correct 74 ms 15244 KB Output is correct
5 Correct 73 ms 15364 KB Output is correct
6 Correct 78 ms 15308 KB Output is correct
7 Correct 90 ms 15180 KB Output is correct
8 Correct 7 ms 12000 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 114 ms 22996 KB Output is correct
12 Correct 121 ms 22860 KB Output is correct
13 Correct 132 ms 23244 KB Output is correct
14 Correct 115 ms 23336 KB Output is correct
15 Correct 120 ms 23080 KB Output is correct
16 Correct 137 ms 22860 KB Output is correct
17 Correct 120 ms 22824 KB Output is correct
18 Correct 124 ms 22840 KB Output is correct
19 Correct 6 ms 11988 KB Output is correct
20 Correct 6 ms 12080 KB Output is correct
21 Correct 6 ms 12076 KB Output is correct
22 Correct 7 ms 12076 KB Output is correct
23 Correct 6 ms 12080 KB Output is correct
24 Correct 6 ms 12116 KB Output is correct
25 Correct 6 ms 11988 KB Output is correct
26 Correct 6 ms 12092 KB Output is correct
27 Correct 6 ms 11988 KB Output is correct
28 Correct 6 ms 11988 KB Output is correct
29 Correct 7 ms 12080 KB Output is correct
30 Correct 6 ms 11988 KB Output is correct
31 Correct 6 ms 11988 KB Output is correct
32 Correct 5 ms 11988 KB Output is correct
33 Correct 6 ms 11988 KB Output is correct
34 Correct 7 ms 11988 KB Output is correct
35 Correct 6 ms 11988 KB Output is correct
36 Correct 6 ms 12088 KB Output is correct
37 Correct 6 ms 11988 KB Output is correct
38 Correct 6 ms 11988 KB Output is correct
39 Correct 6 ms 12020 KB Output is correct
40 Correct 143 ms 21344 KB Output is correct
41 Correct 67 ms 14668 KB Output is correct
42 Correct 66 ms 14732 KB Output is correct
43 Correct 78 ms 14728 KB Output is correct
44 Correct 84 ms 14864 KB Output is correct
45 Correct 70 ms 14860 KB Output is correct
46 Correct 67 ms 14852 KB Output is correct
47 Correct 6 ms 11988 KB Output is correct
48 Correct 6 ms 11984 KB Output is correct
49 Correct 5 ms 11988 KB Output is correct
50 Execution timed out 3080 ms 19444 KB Time limit exceeded
51 Halted 0 ms 0 KB -