test/cpv/aizu-dsl/dsl_2_b.segtree.cpp
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|---|---|---|---|
| 1 | // competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/courses/library/3/DSL/all/DSL_2_B | ||
| 2 | #include "../../../src/ds/segtree/hp/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 11839632 | u32 op(u32 x, u32 y) { return x + y; } | |
| 6 | 412584 | void mapping(u32& x, u32 y) { x += y; } | |
| 7 | |||
| 8 | 20 | int main() { | |
| 9 |
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20 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 10 | u32 n, q; | ||
| 11 |
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20 | std::cin >> n >> q; |
| 12 | 20 | segtree_notag<u32, op, mapping> tr(0, n); | |
| 13 |
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724011 | flt_ (u32, i, 0, q) { |
| 14 | u32 op, u, v; | ||
| 15 |
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723991 | std::cin >> op >> u >> v; |
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723991 | if (op) std::cout << tr.query(u - 1, v) << '\n'; |
| 17 | 412584 | else tr.update(u - 1, v); | |
| 18 | } | ||
| 19 | 20 | return 0; | |
| 20 | 20 | } | |
| 21 |