test/cpv/aizu-dsl/dsl_2_b.fenwick.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/fenwick/d1/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 20 | int main() { | |
| 6 |
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20 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 n, q; | ||
| 8 |
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20 | std::cin >> n >> q; |
| 9 | 20 | fenwick<u32> tr(n + 1); | |
| 10 |
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724011 | flt_ (u32, i, 0, q) { |
| 11 | u32 op, u, v; | ||
| 12 |
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723991 | std::cin >> op >> u >> v; |
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723991 | if (op) std::cout << tr.sum(u, v) << '\n'; |
| 14 | 412584 | else tr.add(u, v); | |
| 15 | } | ||
| 16 | 20 | return 0; | |
| 17 | 20 | } | |
| 18 |