Compilare: main.cpp: In function 'void matri()': main.cpp:29:34: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int k = 0; k < strlen(a[i]); k++) | ~~^~~~~~~~~~~~~~ main.cpp:30:38: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int l = 0; l < strlen(a[j]); l++) | ~~^~~~~~~~~~~~~~ main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 32 | if(ct == strlen(a[i])) | ~~~^~~~~~~~~~~~~~~