Borderou de evaluare (job #694495)

Compilare: main.cpp: In function 'int main()': main.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 23 | while(s<=a && j<x.length()){ | ~^~~~~~~~~~~ main.cpp:15:6: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 15 | bool ok; | ^~ main.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 12 | freopen("cartonas.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | freopen("cartonas.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~