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#define PROBLEM "https://yukicoder.me/problems/no/789" #include <vector> #include <iostream> #include <cassert> #include <unordered_map> using namespace std; #include "../../lib/99-operator/abel/AbelPrefixSumPointAdd.cpp" #include "../../lib/11-binary-indexed-tree/DynamicBinaryIndexedTree.cpp" int main(void){ cin.tie(0);ios::sync_with_stdio(false); DynamicBinaryIndexedTree<AbelPrefixSumPointAdd<long long>> seg(1000000010); int N; cin >> N; long long ans = 0; while(N--) { int q,l,r; cin >> q >> l >> r; if(q==0) seg.operate(l,r); else ans += seg.fold(l,r+1); } cout << ans << endl; return 0; }
#line 1 "test/binary-indexed-tree/DynamicBinaryIndexedTree-rsqraq.test.cpp" #define PROBLEM "https://yukicoder.me/problems/no/789" #include <vector> #include <iostream> #include <cassert> #include <unordered_map> using namespace std; #line 1 "lib/99-operator/abel/AbelPrefixSumPointAdd.cpp" /* * @title AbelPrefixSumPointAdd * @docs md/operator/abel/AbelPrefixSumPointAdd.md */ template<class T> struct AbelPrefixSumPointAdd { using TypeNode = T; inline static constexpr TypeNode unit_node = 0; inline static constexpr TypeNode func_fold(const TypeNode& l,const TypeNode& r){return l+r;} inline static constexpr TypeNode func_fold_inv(const TypeNode& l,const TypeNode& r){return l-r;} }; #line 1 "lib/11-binary-indexed-tree/DynamicBinaryIndexedTree.cpp" /* * @title DynamicBinaryIndexedTree - 動的BIT * @docs md/binary-indexed-tree/DynamicBinaryIndexedTree.md */ template<class Abel> class DynamicBinaryIndexedTree { using TypeNode = typename Abel::TypeNode; using i64 = long long; i64 length; unordered_map<i64,TypeNode> node; public: //[0,N) constructed, inplace [0,1) + [1,N+1) //you can ignore inplace offset DynamicBinaryIndexedTree(const i64 num) { for (length = 1; length < num; length *= 2); } //[idx,idx+1) operate void operate(i64 idx, TypeNode var) { assert(0 <= idx && idx < length); for (++idx; idx <= length; idx += idx & -idx) node[idx] = Abel::func_fold(node[idx],var); } //[0,idx) fold TypeNode fold(i64 idx) { TypeNode ret = Abel::unit_node; for (idx = min(length,idx); idx > 0; idx -= idx & -idx) ret = Abel::func_fold(ret,node[idx]); return ret; } //[l,r) fold TypeNode fold(i64 l, i64 r) { return Abel::func_fold_inv(fold(r),fold(l)); } void print() { cout << "{ " << fold(1); for(int i = 1; i < length; ++i) cout << ", " << fold(i+1); cout << " }" << endl; } }; #line 10 "test/binary-indexed-tree/DynamicBinaryIndexedTree-rsqraq.test.cpp" int main(void){ cin.tie(0);ios::sync_with_stdio(false); DynamicBinaryIndexedTree<AbelPrefixSumPointAdd<long long>> seg(1000000010); int N; cin >> N; long long ans = 0; while(N--) { int q,l,r; cin >> q >> l >> r; if(q==0) seg.operate(l,r); else ans += seg.fold(l,r+1); } cout << ans << endl; return 0; }