Borderou de evaluare (job #803031)

Compilare: main.cpp: In function 'int main()': main.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 19 | for(int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~ main.cpp:40:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 40 | if(start == s.size()-1) c = 1; | ~~~~~~^~~~~~~~~~~~~ main.cpp:42:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 42 | while(start < s.size()) { | ~~~~~~^~~~~~~~~~ main.cpp:57:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 57 | for(auto [l, r] : blocks) { | ^ main.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 7 | freopen("bug.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ 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("bug.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:55:21: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 55 | ans += to_string(c); | ~~~~~~~~~^~~ main.cpp:36:20: note: 'c' was declared here 36 | int start = 0, c; | ^