Compilare: main.cpp: In member function 'void Solution::read()': main.cpp:33:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin >> B1+1 >> B2+1; ~~^~ main.cpp:33:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin >> B1+1 >> B2+1; ~~^~ main.cpp: In member function 'void Solution::solve()': main.cpp:50:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (p == strlen(B1+1)) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:65:9: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp:66:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in","r",stdin); ^ main.cpp:67:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out","w",stdout); ^