Compilare: main.cpp: In function 'int main()': main.cpp:198:51: warning: array subscript has type 'char' [-Wchar-subscripts] 198 | ans = ans + 1LL * fib[v[i][j].first]; | ~~~~~~~~^~~~~ main.cpp:208:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 208 | for(int i = 0; i<w.size() - 1; i++) | ~^~~~~~~~~~~~~ main.cpp:210:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 210 | if(w[i].second == 1 && i < w.size() - 2) | ~~^~~~~~~~~~~~~~ main.cpp:226:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 226 | for(int i = 0; i<w.size() - 1; i++) | ~^~~~~~~~~~~~~ main.cpp:228:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 228 | if(w[i].second == 1 && i < w.size() - 2) | ~~^~~~~~~~~~~~~~ main.cpp:258:55: warning: array subscript has type 'char' [-Wchar-subscripts] 258 | ans = ans + 1LL * fib[v[i][j].first]; | ~~~~~~~~^~~~~ main.cpp: In function 'long long int cauta_st(long long int)': main.cpp:37:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 37 | return ans; | ^~~ main.cpp:20:9: note: 'ans' was declared here 20 | int ans, mij; | ^~~ main.cpp: In function 'long long int cauta_dr(long long int)': main.cpp:61:12: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 61 | return ans; | ^~~ main.cpp:44:9: note: 'ans' was declared here 44 | int ans, mij; | ^~~ main.cpp: In function 'int main()': main.cpp:128:35: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 128 | v[i][j].first = f2; | ~~~~~~~~~~~~~~^~~~ main.cpp:44:9: note: 'ans' was declared here 44 | int ans, mij; | ^~~ main.cpp:119:35: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 119 | v[i][j].first = f1; | ~~~~~~~~~~~~~~^~~~ main.cpp:20:9: note: 'ans' was declared here 20 | int ans, mij; | ^~~