Compilare: main.cpp: In function 'int main()': main.cpp:24:30: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int j = 0; j < strlen(s[i]); j++) | ~~^~~~~~~~~~~~~~ main.cpp:25:29: warning: array subscript has type 'char' [-Wchar-subscripts] 25 | fr[i][s[i][j]]++; | ~~~~~~^ main.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 30 | if(maxi < strlen(s[i])) | ~~~~~^~~~~~~~~~~~~~ main.cpp:35:26: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 35 | else if(maxi == strlen(s[i])) | ~~~~~^~~~~~~~~~~~~~~ main.cpp:37:34: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int j = 0; j < strlen(s[i]); j++) | ~~^~~~~~~~~~~~~~ main.cpp:68:42: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(int q = 0; q < strlen(s[i]); q++) | ~~^~~~~~~~~~~~~~ main.cpp:70:44: warning: array subscript has type 'char' [-Wchar-subscripts] 70 | if(fr[i][s[i][q]] > fr[j][s[i][q]]) | ~~~~~~^ main.cpp:70:61: warning: array subscript has type 'char' [-Wchar-subscripts] 70 | if(fr[i][s[i][q]] > fr[j][s[i][q]]) | ~~~~~~^ main.cpp:89:42: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int q = 0; q < strlen(s[j]); q++) | ~~^~~~~~~~~~~~~~ main.cpp:91:44: warning: array subscript has type 'char' [-Wchar-subscripts] 91 | if(fr[j][s[j][q]] > fr[i][s[j][q]]) | ~~~~~~^ main.cpp:91:61: warning: array subscript has type 'char' [-Wchar-subscripts] 91 | if(fr[j][s[j][q]] > fr[i][s[j][q]]) | ~~~~~~^