Compilare: user.cpp: In function ‘bool valid(char)’: user.cpp:21:21: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] return c <= 'Z' && c >= 'A' || isdigit (c); ~~~~~~~~~^~~~~~~~~~~ user.cpp: In function ‘bool valid2(char)’: user.cpp:25:21: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] return c >= 'a' && c <= 'z' || isdigit (c); ~~~~~~~~~^~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:53:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0 ; j < curent . size () ; ++ j) ~~^~~~~~~~~~~~~~~~~~ user.cpp:78:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < v . size () ; ++ i) ~~^~~~~~~~~~~~~ user.cpp:80:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0 ; j < v [i] . size () ; ++ j) ~~^~~~~~~~~~~~~~~~~ user.cpp:82:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ij = 0 ; ij < v [i][j] . size () ; ++ ij) ~~~^~~~~~~~~~~~~~~~~~~~ user.cpp:84:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j != v [i] . size () - 1) ~~^~~~~~~~~~~~~~~~~~~~~~ user.cpp:94:14: warning: unknown escape sequence: '\040' g << "ROOT\\XOW\\DGL\\FX\\D\\dvbs \nROOT\\XOW\\DGL\\FX\\D\\ien\ \nROOT\\XOW\\DGL\\FX\\D\\imhn\ \nROOT\\XOW\\DGL\\FX\\ekpwb\ \nROOT\\XOW\\DGL\\FX\\re\ \nROOT\\XOW\\DGL\\FX\\rkq\ \nROOT\\XOW\\DGL\\kkk\ \nROOT\\XOW\\DGL\\ttua\ \nROOT\\XOW\\DGL\\znlr\ \nROOT\\XOW\\ibc\ \nROOT\\X\\G\\JHFAR\\C\\ajxo\ \nROOT\\X\\G\\JHFAR\\C\\sh\ \nROOT\\X\\G\\lk\ \nROOT\\X\\G\\zudd\ \nROOT\\X\\ccjx\ \nROOT\\X\\sfpp\ \nROOT\\ebr\ \nROOT\\jz\ \nROOT\\ypkw"; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:94:14: warning: unknown escape sequence: '\040' user.cpp:97:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < curent . size () ; ++ i) ~~^~~~~~~~~~~~~~~~~~