Borderou de evaluare (job #786654)

Compilare: main.cpp: In function 'int main()': main.cpp:12:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 12 | while(i < s.size()) | ~~^~~~~~~~~~ main.cpp:15:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 15 | while(j < s.size() && (isdigit(s[j]) || s[j] == '+' || s[j]=='-')) | ~~^~~~~~~~~~ main.cpp:25:19: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 25 | if(sign = '-') | ~~~~~^~~~~ main.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 8 | freopen("antiterra.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:9:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 9 | freopen("antiterra.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~