Eroare de compilare: main.cpp:13:13: error: 'int link [200004]' redeclared as different kind of entity 13 | int link[lim]; | ^ In file included from /usr/include/bits/sigstksz.h:24, from /usr/include/signal.h:328, from /usr/include/c++/12.2.1/csignal:42, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:43, from main.cpp:1: /usr/include/unistd.h:819:12: note: previous declaration 'int link(const char*, const char*)' 819 | extern int link (const char *__from, const char *__to) | ^~~~ main.cpp: In function 'int tata(int)': main.cpp:21:24: warning: pointer to a function used in arithmetic [-Wpointer-arith] 21 | while(x!=link[x]) x = link[x]; | ^ main.cpp:21:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 21 | while(x!=link[x]) x = link[x]; | ~^~~~~~~~~ main.cpp:21:37: warning: pointer to a function used in arithmetic [-Wpointer-arith] 21 | while(x!=link[x]) x = link[x]; | ^ main.cpp:21:37: error: invalid conversion from 'int (*)(const char*, const char*) noexcept' to 'int' [-fpermissive] 21 | while(x!=link[x]) x = link[x]; | ~~~~~~^ | | | int (*)(const char*, const char*) noexcept main.cpp:22:28: warning: pointer to a function used in arithmetic [-Wpointer-arith] 22 | while(aux!=link[aux]) cpy = aux, aux = link[aux], link[cpy] = x; | ^ main.cpp:22:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] 22 | while(aux!=link[aux]) cpy = aux, aux = link[aux], link[cpy] = x; | ~~~^~~~~~~~~~~ main.cpp:22:56: warning: pointer to a function used in arithmetic [-Wpointer-arith] 22 | while(aux!=link[aux]) cpy = aux, aux = link[aux], link[cpy] = x; | ^ main.cpp:22:56: error: invalid conversion from 'int (*)(const char*, const char*) noexcept' to 'int' [-fpermissive] 22 | while(aux!=link[aux]) cpy = aux, aux = link[aux], link[cpy] = x; | ~~~~~~~~^ | | | int (*)(const char*, const char*) noexcept main.cpp:22:67: warning: pointer to a function used in arithmetic [-Wpointer-arith] 22 | while(aux!=link[aux]) cpy = aux, aux = link[aux], link[cpy] = x; | ^ main.cpp:22:69: error: assignment of read-only location '*(link + ((sizetype)cpy))' 22 | while(aux!=link[aux]) cpy = aux, aux = link[aux], link[cpy] = x; | ~~~~~~~~~~^~~ main.cpp: In function 'bool join(int, int)': main.cpp:34:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] 34 | link[y] = x; | ^ Non zero exit status: 1