Compilare: user.cpp: In function ‘void scrie_v_s(int, int, int, int)’: user.cpp:119:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<v[kv].size();i++) ^ user.cpp:121:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<v[kv][i].size();j++) ^ user.cpp: In function ‘void scrie()’: user.cpp:153:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<v[k].size()-1;i++) ^ user.cpp:155:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<v[k][i].size()-1;j++) ^ user.cpp: In function ‘int verif(int, int, int, int)’: user.cpp:193:49: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[kv][iv-1+i-1][jv-1+j-1]==1 && s[k][i][j]!=1 || ^