Borderou de evaluare (job #733059)

Compilare: main.cpp: In function 'int main()': main.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 35 | for(i=0; i < str.size()/2; i++) | ~~^~~~~~~~~~~~~~ main.cpp:50:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 50 | for(i=str.size()/2; i < str.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:70:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long unsigned int, long unsigned int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 70 | for(i=0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp:83:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long unsigned int, long unsigned int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 83 | for(i=0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp:91:55: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 91 | bts4[1] = ((v[i].first & (1 << r*4+1)) >> k*j); | ~~~^~ main.cpp:92:55: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 92 | bts4[2] = ((v[i].first & (1 << r*4+2)) >> k*j); | ~~~^~ main.cpp:93:55: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 93 | bts4[3] = ((v[i].first & (1 << r*4+3)) >> k*j); | ~~~^~ main.cpp:106:56: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 106 | bts4[1] = ((v[i].second & (1 << r*4+1)) >> k*j); | ~~~^~ main.cpp:107:56: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 107 | bts4[2] = ((v[i].second & (1 << r*4+2)) >> k*j); | ~~~^~ main.cpp:108:56: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 108 | bts4[3] = ((v[i].second & (1 << r*4+3)) >> k*j); | ~~~^~