diff options
author | Franciszek Malinka <franciszek.malinka@gmail.com> | 2021-04-06 14:28:27 +0200 |
---|---|---|
committer | Franciszek Malinka <franciszek.malinka@gmail.com> | 2021-04-06 14:28:27 +0200 |
commit | f64f7de412dd06affb0670831bdd117bde33a192 (patch) | |
tree | 398c4bb6f7fc88deb54104b4faab34f4982abf30 /Semestr 4/aisd/pracownia4 | |
parent | 872fff966e7a069fe0e40e76f7bc996790521ee0 (diff) |
Update
Diffstat (limited to 'Semestr 4/aisd/pracownia4')
-rw-r--r-- | Semestr 4/aisd/pracownia4/rozw.cpp | 121 | ||||
-rw-r--r-- | Semestr 4/aisd/pracownia4/show_problem.pdf | bin | 0 -> 61345 bytes |
2 files changed, 121 insertions, 0 deletions
diff --git a/Semestr 4/aisd/pracownia4/rozw.cpp b/Semestr 4/aisd/pracownia4/rozw.cpp new file mode 100644 index 0000000..b3f97c8 --- /dev/null +++ b/Semestr 4/aisd/pracownia4/rozw.cpp @@ -0,0 +1,121 @@ +#include <bits/stdc++.h> +using namespace std; + +const int M = (1<<20); +const size_t size = M*2 + 10; + +struct query { + char type; + union { + struct insert { + int p; + int x; + } insert; + struct sum { + int from; + int to; + } sum; + int del; + }; +}; + +struct segtreePS { + int tree[size]; + + segtreePS() { + for (int i = 0; i < size; i++) tree[i] = 0; + } + + void update(int where, int val) { + where += M; + while (where) { + tree[where] += val; + where /= 2; + } + } + + int query(int from, int to) { + from += M; + to += M; + int ans = tree[from]; + if (from != to) ans += tree[to]; + while (from/2 != to/2) { + if (from % 2 == 0) ans += tree[from + 1]; + if (to % 2 == 1) ans += tree[to - 1]; + to /= 2; from /= 2; + } + return ans; + } +}; + +struct segtreeSP { + int tree[size]; + + segtreeSP() { + for (int i = 0; i < size; i++) tree[i] = 0; + } + + void update(int from, int to, int val) { + from += M; + to += M; + tree[from] += val; + if (from != val) tree[to] += val; + while (from/2 != to/2) { + if (from % 2 == 0) tree[from + 1] += val; + if (to % 2 == 1) tree[to - 1] += val; + to /= 2; from /= 2; + } + } + + int query(int where) { + int ans = 0; + where += M; + while (where) { + ans += tree[where]; + where /= 2; + } + return ans; + } +}; + +vector<query> queries; +segtreeSP sptree; +map<int, int> q_to_pos; + +int main() { + int n, inserts = 0; + scanf("%d", &n); + for (int i = 0; i < n; ++i) { + char c; + query q; + q.type = c; + scanf(" %c", &c); + if (c == 'D') { + int a; + cin >> a; + q.del = a; + } + else { + int a, b; + cin >> a >> b; + q.type = c; + if (c == 'I') { + q.insert = {a, b}; + inserts++; + } else { + q.sum = {a, b}; + } + } + queries.push_back(q); + } + for (int i = n-1; i > 0; i--) { + query q = queries[i]; + if (q.type != 'I') continue; + int addition = sptree.query(q.insert.p); + q_to_pos[i] = addition + q.insert.p; + } + + for (int i = 0; i < n; i++) { + + } +}
\ No newline at end of file diff --git a/Semestr 4/aisd/pracownia4/show_problem.pdf b/Semestr 4/aisd/pracownia4/show_problem.pdf Binary files differnew file mode 100644 index 0000000..8a1c155 --- /dev/null +++ b/Semestr 4/aisd/pracownia4/show_problem.pdf |