제출 #656421

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
656421		ssense	슈퍼트리 잇기 (IOI20_supertrees)	C++14	컴파일 에러	0 ms	0 KiB

이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.

supertrees

#include <bits/stdc++.h> #include "supertrees.h" #define startt ios_base::sync_with_stdio(false);cin.tie(0); typedef long long ll; using namespace std; #define vint vector<int> #define all(v) v.begin(), v.end() #define MOD 1000000007 #define MOD2 998244353 #define MX 1000000000 #define MXL 1000000000000000000 #define PI (ld)2*acos(0.0) #define pb push_back #define sc second #define fr first #define endl '\n' #define ld long double #define NO cout << "NO" << endl #define YES cout << "YES" << endl int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu int p[1005]; int sz[1005]; void init(int n) { for(int i = 0; i < n; i++) { p[i] = i; sz[i] = i; } } int find(int i) { if(i != p[i]) {return find(p[i]);} return i; } void usets(int u, int v) { if(sz[u] <= sz[v]) { swap(u, v); } p[find(v)] = find(u); } int construct(vector<vector<int>> p) { int n = p.size(); init(1000); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(p[i][j] == 1) { usets(i, j); } } } for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(p[i][j] == 0 && find(i) == find(j)) { return 0; } } } vector<vector<int>> answer(n, vector<int>(n)); vector<bool> vis(n, false); for(int i = 0; i < n; i++) { int now = i; while(!vis[now]) { vis[now] = true; answer[now][p[now]] = 1; answer[p[now]][now] = 1; now = p[now]; } } build(answer); return 1; }

컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In member function 'void prefix_sum::build(std::vector<int>)':
supertrees.cpp:20:667: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 | int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu
      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         ~~^~~~~~~~~~
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:83:24: error: no match for 'operator[]' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'})
   83 |             answer[now][p[now]] = 1;
      |                        ^
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 supertrees.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::reference = int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::const_reference = const int&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
supertrees.cpp:84:19: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'})
   84 |             answer[p[now]][now] = 1;
      |                   ^
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 supertrees.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
supertrees.cpp:85:24: error: cannot convert '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'int' in assignment
   85 |             now = p[now];
      |                        ^