제출 #962771

#제출 시각아이디문제언어결과실행 시간메모리
962771serkanrashid게임 (IOI13_game)C++14
컴파일 에러
0 ms0 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; struct Tnode { long long a; Tnode *l, *r; Tnode() { a = 0; l = r = nullptr; } }; struct Tree { Tnode *A; Tree *L, *R; Tree() { A = nullptr; L = R = nullptr; } }; Tree *Root; int r,c; int Ql,Qr,ql,qr; int Pos,pos,val; long long merge1(Tnode *&t1, Tnode *&t2) { //if(t1==nullptr&&t2==nullptr) return 0; if(t1==nullptr) return t2->a; if(t2==nullptr) return t1->a; return __gcd(t1->a,t2->a); } void upd(Tnode *&t, int l, int r) { if(t==nullptr) t = new Tnode(); if(l==r) { t->a = val; return; } int mid = (l+r)/2; if(mid<=pos) upd(t->l,l,mid+0); else upd(t->r,mid+1,r); t->a = merge1(t->l,t->r); } Tnode *getA(Tree *&t) { if(t==nullptr) return nullptr; return t->A; } long long *geta(Tnode *t) { if(t==nullptr) return 0; return (t->a); } void Merge(Tnode *&t, Tnode *&t1, Tnode *&t2, int l, int r) { if(t==nullptr) t = new Tnode(); if(l==r) { t->a = __gcd(geta(t1),geta(t2)); return; } int mid = (l+r)/2; if(mid<=pos) Merge(t->l,t1->l,t2->l,l,mid+0); else Merge(t->r,t1->r,t2->r,mid+1,r); t->a = __gcd(geta(t->l),geta(t->r)); } void Upd(Tree *&t, int l, int r) { if(t==nullptr) t = new Tree(); if(l==r) { upd(t->A,0,c-1); return; } int mid = (l+r)/2; if(Pos<=mid) Upd(t->L,l,mid+0); else Upd(t->R,mid+1,r); Merge(t->A,getA(t->L),getA(t->R),0,c-1); } void update(int P, int Q, long long K) { Pos = P; pos = Q; val = K; Upd(Root,0,r-1); } long long query(Tnode *&t, int l, int r) { if(r<ql||qr<l||l>r) return -1; if(t==nullptr) return 0; if(ql<=l&&r<=qr) return t->a; int mid = (l+r)/2; long long ch1 = query(t->l,l,mid+0); long long ch2 = query(t->r,mid+1,r); if(ch1==-1) return ch2; if(ch2==-1) return ch1; return __gcd(ch1,ch2); } long long Query(Tree *&t, int l, int r) { if(r<Ql||Qr<l||l>r) return -1; if(t==nullptr) return 0; if(Ql<=l&&r<=Qr) return query(t->A,0,c-1); int mid = (l+r)/2; long long ch1 = Query(t->L,l,mid+0); long long ch2 = Query(t->R,mid+1,r); if(ch1==-1) return ch2; if(ch2==-1) return ch1; return __gcd(ch1,ch2); } long long calculate(int P, int Q, int U, int V) { ql = Q; qr = V; /// Ql = P; Qr = U; long long ans = Query(Root,0,r-1); if(ans==-1) ans = 0; return ans; } void init(int R, int C) { r = R; c = C; }

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'long long int* geta(Tnode*)':
game.cpp:65:16: error: invalid conversion from 'long long int' to 'long long int*' [-fpermissive]
   65 |     return (t->a);
      |            ~~~~^~
      |                |
      |                long long int
game.cpp: In function 'void Merge(Tnode*&, Tnode*&, Tnode*&, int, int)':
game.cpp:73:21: error: invalid conversion from 'long long int*' to 'long long int' [-fpermissive]
   73 |         t->a = __gcd(geta(t1),geta(t2));
      |                ~~~~~^~~~~~~~~~~~~~~~~~~
      |                     |
      |                     long long int*
game.cpp:79:17: error: invalid conversion from 'long long int*' to 'long long int' [-fpermissive]
   79 |     t->a = __gcd(geta(t->l),geta(t->r));
      |            ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
      |                 |
      |                 long long int*
game.cpp: In function 'void Upd(Tree*&, int, int)':
game.cpp:93:20: error: cannot bind non-const lvalue reference of type 'Tnode*&' to an rvalue of type 'Tnode*'
   93 |     Merge(t->A,getA(t->L),getA(t->R),0,c-1);
      |                ~~~~^~~~~~
game.cpp:68:31: note:   initializing argument 2 of 'void Merge(Tnode*&, Tnode*&, Tnode*&, int, int)'
   68 | void Merge(Tnode *&t, Tnode *&t1, Tnode *&t2, int l, int r)
      |                       ~~~~~~~~^~
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from game.cpp:2:
/usr/include/c++/10/bits/stl_algo.h: In instantiation of '_EuclideanRingElement std::__gcd(_EuclideanRingElement, _EuclideanRingElement) [with _EuclideanRingElement = long long int*]':
game.cpp:73:39:   required from here
/usr/include/c++/10/bits/stl_algo.h:1223:36: error: invalid operands of types 'long long int*' and 'long long int*' to binary 'operator%'
 1223 |    _EuclideanRingElement __t = __m % __n;
      |                                ~~~~^~~~~