#2106
Armonica
Spunem că trei numere a b c
sunt în progresie armonică dacă b
este media armonică a numerelor a
și a
, adică
\( b = \frac{2}{\frac{1}{a} + \frac{1}{c}} = \frac{2 \cdot a \cdot c} {a + c} \)
Cunoscând un număr natural b
să se determine toate perechile de numere naturale (a,c)
pentru care a b c
sunt în progresie armonică.
Problema | Armonica | Operații I/O |
armonica.in /armonica.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #21520757 | Utilizator | |
Fișier | armonica.cpp | Dimensiune | 1.28 KB |
Data încărcării | 03 Martie 2020, 23:09 | Scor / rezultat | Eroare de compilare |
armonica.cpp:9:27: error: 'std::vector<std::pair<int, int> > div' redeclared as different kind of symbol vector < pair<int, int> > div; ^ In file included from /usr/include/c++/4.8/cstdlib:72:0, from /usr/include/c++/4.8/ext/string_conversions.h:41, from /usr/include/c++/4.8/bits/basic_string.h:2815, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from armonica.cpp:1: /usr/include/stdlib.h:789:14: error: previous declaration of 'div_t div(int, int)' extern div_t div (int __numer, int __denom) ^ armonica.cpp: In function 'void divz(int)': armonica.cpp:11:13: error: 'std::div' does not have class type int q=a; div.push_back(make_pair(0, 0)); ^ armonica.cpp:12:14: error: 'std::div' does not have class type if(a==1) {div.push_back(make_pair(1, 1)); n++;} ^ armonica.cpp:16:11: error: 'std::div' does not have class type div.push_back(make_pair(i, q)); ^ armonica.cpp: In function 'int main()': armonica.cpp:30:17: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].first!=b){ ^ armonica.cpp:31:26: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].first<<" "<<arr(k+div[i].first)<<endl; ^ armonica.cpp:31:51: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].first<<" "<<arr(k+div[i].first)<<endl; ^ armonica.cpp:33:17: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].second!=b){ ^ armonica.cpp:34:26: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].second<<" "<<arr(k+div[i].second)<<endl; ^ armonica.cpp:34:52: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].second<<" "<<arr(k+div[i].second)<<endl; ^ armonica.cpp:40:17: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].first!=b and div[i].second%2){ ^ armonica.cpp:40:37: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].first!=b and div[i].second%2){ ^ armonica.cpp:41:26: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].first<<" "<<arr(k+div[i].first)<<endl; ^ armonica.cpp:41:51: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].first<<" "<<arr(k+div[i].first)<<endl; ^ armonica.cpp:42:31: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<arr(k+div[i].first)<<" "<<k+div[i].first<<endl; ^ armonica.cpp:42:53: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<arr(k+div[i].first)<<" "<<k+div[i].first<<endl; ^ armonica.cpp:44:17: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].second!=b and div[i].first%2 and div[i].second!=div[i].first){ ^ armonica.cpp:44:38: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].second!=b and div[i].first%2 and div[i].second!=div[i].first){ ^ armonica.cpp:44:57: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].second!=b and div[i].first%2 and div[i].second!=div[i].first){ ^ armonica.cpp:44:72: error: invalid types '<unresolved overloaded function type>[int]' for array subscript if(div[i].second!=b and div[i].first%2 and div[i].second!=div[i].first){ ^ armonica.cpp:45:26: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].second<<" "<<arr(k+div[i].second)<<endl; ^ armonica.cpp:45:52: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<k+div[i].second<<" "<<arr(k+div[i].second)<<endl; ^ armonica.cpp:46:31: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<arr(k+div[i].second)<<" "<<k+div[i].second<<endl; ^ armonica.cpp:46:54: error: invalid types '<unresolved overloaded function type>[int]' for array subscript fout<<arr(k+div[i].second)<<" "<<k+div[i].second<<endl; ^
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Problema Armonica face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.