Compilare: main.cpp: In function 'void suffixArray(std::string&)': main.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i = 0; i < s.size(); i ++) | ~~^~~~~~~~~~ main.cpp:17:18: warning: array subscript has type 'char' [-Wchar-subscripts] 17 | freq[s[i]] ++; | ^ main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < s.size(); i ++) { | ~~^~~~~~~~~~ main.cpp:22:25: warning: array subscript has type 'char' [-Wchar-subscripts] 22 | perm[--freq[s[i]]] = i; | ^ main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i = 1; i < s.size(); i ++) { | ~~^~~~~~~~~~ main.cpp:33:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int k = 0; (1<<k) < s.size(); k ++) { | ~~~~~~~^~~~~~~~~~ main.cpp:34:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i = 0; i < s.size(); i ++){ | ~~^~~~~~~~~~ main.cpp:43:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i = 0; i < s.size(); i ++) | ~~^~~~~~~~~~ main.cpp:55:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i = 1; i < s.size(); i ++) { | ~~^~~~~~~~~~ main.cpp: In function 'void computeLcp(std::string&)': main.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i = 0; i < s.size(); i ++) | ~~^~~~~~~~~~ main.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int i = 0; i < s.size(); i ++) { | ~~^~~~~~~~~~ main.cpp:87:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | while(i + k < s.size() and j + k < s.size() and s[i+k] == s[j+k] and s[i+k] != '$') | ~~~~~~^~~~~~~~~~ main.cpp:87:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | while(i + k < s.size() and j + k < s.size() and s[i+k] == s[j+k] and s[i+k] != '$') | ~~~~~~^~~~~~~~~~ main.cpp: In function 'void solve(std::string&)': main.cpp:129:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 129 | for(int i = 1; i < s.size(); i ++){ | ~~^~~~~~~~~~ main.cpp: In function 'void print(std::string&)': main.cpp:156:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 156 | for(int i = 0; i < s.size(); i ++) { | ~~^~~~~~~~~~ main.cpp:161:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]