Compilare: main.cpp: In function 'void init()': main.cpp:14:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (long long i = 0; i < strlen(s); ++i) | ~~^~~~~~~~~~~ main.cpp: In function 'int rcheck(char*)': main.cpp:24:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (long long i = 0; i < strlen(s); ++i) | ~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 75 | for (long long i = 1; i < strlen(p); ++i) | ~~^~~~~~~~~~~ main.cpp:82:19: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 82 | aux[ak] = NULL; | ^~~~ main.cpp:105:17: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 105 | pall[pk] = NULL; | ^~~~ main.cpp:117:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 117 | for (long long i = 0; i < strlen(p) - 1; ++i) | ~~^~~~~~~~~~~~~~~ main.cpp:124:20: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 124 | aux[ak] = NULL; | ^~~~ main.cpp:145:18: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 145 | pall[pk] = NULL; | ^~~~ main.cpp:157:32: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 157 | for (long long i = 0; i < strlen(p); ++i) | ~~^~~~~~~~~~~ main.cpp:166:17: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 166 | aux[k] = NULL; | ^~~~ main.cpp:152:17: warning: unused variable 'nrcif' [-Wunused-variable] 152 | int nrt, nrcif(0), k(0); | ^~~~~ main.cpp:44:9: warning: 'nrt' may be used uninitialized in this function [-Wmaybe-uninitialized] 44 | long nrt; | ^~~