제출 #688971

#제출 시각아이디문제언어결과실행 시간메모리
688971QwertyPiStreet Lamps (APIO19_street_lamps)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; struct BIT{ vector<int> ip[300011], bit[300011]; void init(){ for(int i = 0; i < 300011; i++){ ip[i].push_back(0); sort(ip[i].begin(), ip[i].end()); ip[i].resize(unique(ip[i].begin(), ip[i].end())); bit[i].resize(ip[i].size()); } } void init_add(int x, int y){ for(int i = x; i; i -= i & -i){ ip[i].push_back(y); } } void add(int x, int y, int v){ for(int i = x; i < 300011; i += i & -i){ int y2 = lower_bound(bit[i].begin(), bit[i].end(), y) - bit[i].begin(); for(int j = y2; j < bit[i].size(); j += j & -j){ bit[i][j] += v; } } } int qry(int x, int y){ int ret = 0; for(int i = x; i; i -= i & -i){ int y2 = upper_bound(bit[i].begin(), bit[i].end(), y) - bit[i].begin() - 1; for(int j = y2; j; j -= j & -j){ ret += bit[i][j]; } } return ret; } } bit; struct segment{ int l, r, t; bool operator< (const segment& o) const { return l < o.l || l == o.l && r < o.r; } }; vector<segment> segs[300011]; void add(const segment& s, int t2) { cout << "ADD " << s.l << ' ' << s.r << ' ' << s.t << ' ' << t2 << endl; init_add(s.l, s.r); segs[t2].push_back(s); } set<segment> S; bool on[300011], isq[300011]; int L[300011], R[300011], rans[300011]; void show(){ for(auto i : S) cout << '[' << i.l << ", " << i.r << ']' << ' '; cout << '\n'; } void toggle(int x, int t){ // cout << "TOGGLE " << x << ' ' << t << endl; if(on[x]){ auto ptr = S.lower_bound({x, 1 << 30}); --ptr; int l = ptr->l, r = ptr->r; add(*ptr, t); S.erase(ptr); if(on[x - 1]) { S.insert({l, x, t}); } if(on[x + 1]) { S.insert({x + 1, r, t}); } }else{ int l = x, r = x + 1; if(on[x - 1]) { auto ptr = S.lower_bound({x, -1}); --ptr; l = ptr->l; add(*ptr, t); S.erase(ptr); } if(on[x + 1]) { auto ptr = S.lower_bound({x, -1}); r = ptr->r; add(*ptr, t); S.erase(ptr); } S.insert({l, r, t}); } on[x] = !on[x]; // show(); } void query(int l, int r, int t){ isq[t] = true; L[t] = l, R[t] = r; auto ptr = S.lower_bound({l, 1 << 30}); if(ptr != S.begin() && prev(ptr)->l <= l && r <= prev(ptr)->r) rans[t] += t - prev(ptr)->t; } void query2(int l, int r, int t){ rans[t] += bit.qry(r, r) - bit.qry(l, r) - bit.qry(l, l) + bit.qry(r, r); } int32_t main(){ int n, q; cin >> n >> q; string s; cin >> s; for(int i = 1; i <= n; i++) on[i] = s[i - 1] == '1'; vector<segment> v; for(int i = 1; i <= n; i++) { if(on[i]){ if(v.size() && v.back().r == i) v.back().r++; else v.push_back({i, i + 1, 0}); } } for(auto s : v) S.insert(s); for(int t = 1; t <= q; t++){ string type; cin >> type; if(type == "query"){ int l, r; cin >> l >> r; query(l, r, t); }else{ int x; cin >> x; toggle(x, t); } } for(int t = 1; t <= q; t++){ for(auto s : segs[t]){ bit.add(s.l, s.r, t - s.t); } if(isq[t]){ query2(L[t], R[t], t); } } for(int t = 1; t <= q; t++){ if(isq[t]){ cout << rans[t] << endl; } } }

컴파일 시 표준 에러 (stderr) 메시지

street_lamps.cpp: In member function 'void BIT::init()':
street_lamps.cpp:10:51: error: no matching function for call to 'std::vector<int>::resize(__gnu_cxx::__normal_iterator<int*, std::vector<int> >)'
   10 |    ip[i].resize(unique(ip[i].begin(), ip[i].end()));
      |                                                   ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:937:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
  937 |       resize(size_type __new_size)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:937:24: note:   no known conversion for argument 1 from '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
  937 |       resize(size_type __new_size)
      |              ~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:7: note: candidate: 'void std::vector<_Tp, _Alloc>::resize(std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int]'
  957 |       resize(size_type __new_size, const value_type& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:957:7: note:   candidate expects 2 arguments, 1 provided
street_lamps.cpp: In member function 'void BIT::add(int, int, int)':
street_lamps.cpp:22:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |    for(int j = y2; j < bit[i].size(); j += j & -j){
      |                    ~~^~~~~~~~~~~~~~~
street_lamps.cpp: In member function 'bool segment::operator<(const segment&) const':
street_lamps.cpp:42:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   42 |   return l < o.l || l == o.l && r < o.r;
      |                     ~~~~~~~~~^~~~~~~~~~
street_lamps.cpp: In function 'void add(const segment&, int)':
street_lamps.cpp:50:2: error: 'init_add' was not declared in this scope
   50 |  init_add(s.l, s.r); segs[t2].push_back(s);
      |  ^~~~~~~~
street_lamps.cpp: In function 'void show()':
street_lamps.cpp:58:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   58 |  for(auto i : S) cout << '[' << i.l << ", " << i.r << ']' << ' '; cout << '\n';
      |  ^~~
street_lamps.cpp:58:67: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   58 |  for(auto i : S) cout << '[' << i.l << ", " << i.r << ']' << ' '; cout << '\n';
      |                                                                   ^~~~