test/cpv/library-checker-datastructure/point_add_range_sum.fenwick.cpp
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| 1 | // competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/point_add_range_sum | ||
| 2 | #include "../../../src/ds/fenwick/d1/lib.hpp" | ||
| 3 | |||
| 4 | using namespace tifa_libs; | ||
| 5 | 21 | int main() { | |
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21 | std::cin.tie(nullptr)->std::ios::sync_with_stdio(false); |
| 7 | u32 n, q; | ||
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21 | std::cin >> n >> q; |
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21 | vecuu a(n + 1); |
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4112537 | flt_ (u32, i, 1, n + 1) std::cin >> a[i]; |
| 11 | 21 | fenwick<u64> f(a); | |
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3841159 | flt_ (u32, i, 1, q + 1) { |
| 13 | u32 op, l, r; | ||
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3841138 | std::cin >> op >> l >> r; |
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3841138 | if (!op) f.add(l + 1, r); |
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1921363 | else std::cout << f.sum(r) - f.sum(l) << '\n'; |
| 17 | } | ||
| 18 | 21 | return 0; | |
| 19 | 21 | } | |
| 20 |