Eroare de compilare: user.cpp:4:42: error: ‘int index’ redeclared as different kind of symbol int N, M, A[20][20], B[20][20], i, j, k, index, sol = 0, tempSum, maxSol = - (1<<30); ^ In file included from /usr/include/c++/4.8/cstring:42:0, from user.cpp:2: /usr/include/string.h:482:1: error: previous declaration of ‘const char* index(const char*, int)’ index (__const char *__s, int __c) __THROW ^ user.cpp: In function ‘int main()’: user.cpp:57:8: error: overloaded function with no contextual type information index = 0; ^ user.cpp:62:9: error: overloaded function with no contextual type information index = 0; ^ user.cpp:65:11: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if (k2 & 1 == 1) ^ user.cpp:67:15: error: cannot resolve overloaded function ‘index’ based on conversion to type ‘int’ flip(index); ^ user.cpp:69:9: error: no post-increment operator for type index++; ^