#3561
Să se cripteze sau să se decripteze un mesaj folosind cifrul Playfair.
cifrul Playfair
| Problema | Playfair | Operații I/O |
playfair.in/playfair.out
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64837045 | Utilizator | |
| Fișier | playfair.cpp | Dimensiune | 2.37 KB |
| Data încărcării | 04 Iunie 2026, 23:13 | Scor/rezultat | 100 puncte |
playfair.cpp: In function ‘void decrypt(char*, char, char (*)[7])’: playfair.cpp:50:18: warning: ‘a’ may be used uninitialized [-Wmaybe-uninitialized] 50 | if(a != c && b != d) | ~~^~~~ playfair.cpp:39:13: note: ‘a’ was declared here 39 | int a, b, c, d; | ^ playfair.cpp:50:28: warning: ‘b’ may be used uninitialized [-Wmaybe-uninitialized] 50 | if(a != c && b != d) | ~~^~~~ playfair.cpp:39:16: note: ‘b’ was declared here 39 | int a, b, c, d; | ^ playfair.cpp:50:18: warning: ‘c’ may be used uninitialized [-Wmaybe-uninitialized] 50 | if(a != c && b != d) | ~~^~~~ playfair.cpp:39:19: note: ‘c’ was declared here 39 | int a, b, c, d; | ^ playfair.cpp:50:28: warning: ‘d’ may be used uninitialized [-Wmaybe-uninitialized] 50 | if(a != c && b != d) | ~~^~~~ playfair.cpp:39:22: note: ‘d’ was declared here 39 | int a, b, c, d; | ^ playfair.cpp: In function ‘void encrypt(char*, char, char (*)[7])’: playfair.cpp:22:18: warning: ‘a’ may be used uninitialized [-Wmaybe-uninitialized] 22 | if(a != c && b != d) | ~~^~~~ playfair.cpp:11:13: note: ‘a’ was declared here 11 | int a, b, c, d; | ^ playfair.cpp:22:28: warning: ‘b’ may be used uninitialized [-Wmaybe-uninitialized] 22 | if(a != c && b != d) | ~~^~~~ playfair.cpp:11:16: note: ‘b’ was declared here 11 | int a, b, c, d; | ^ playfair.cpp:22:18: warning: ‘c’ may be used uninitialized [-Wmaybe-uninitialized] 22 | if(a != c && b != d) | ~~^~~~ playfair.cpp:11:19: note: ‘c’ was declared here 11 | int a, b, c, d; | ^ playfair.cpp:22:28: warning: ‘d’ may be used uninitialized [-Wmaybe-uninitialized] 22 | if(a != c && b != d) | ~~^~~~ playfair.cpp:11:22: note: ‘d’ was declared here 11 | int a, b, c, d; | ^ playfair.cpp: In function ‘int main()’: playfair.cpp:95:16: warning: ‘missing’ may be used uninitialized [-Wmaybe-uninitialized] 95 | encrypt(s, missing, m); | ~~~~~~~^~~~~~~~~~~~~~~ playfair.cpp:65:10: note: ‘missing’ was declared here 65 | char missing; | ^~~~~~~
| Test | Timp | Mesaj evaluare | Scor posibil | Scor obținut | ||
|---|---|---|---|---|---|---|
| 1 | 0.001 secunde | OK. | 10 | 10 | Exemplu | |
| 2 | 0.001 secunde | OK. | 10 | 10 | Exemplu | |
| 3 | 0.001 secunde | OK. | 10 | 10 | ||
| 4 | 0.001 secunde | OK. | 10 | 10 | ||
| 5 | 0.001 secunde | OK. | 10 | 10 | ||
| 6 | 0.001 secunde | OK. | 10 | 10 | ||
| 7 | 0.001 secunde | OK. | 10 | 10 | ||
| 8 | 0.001 secunde | OK. | 10 | 10 | ||
| 9 | 0.001 secunde | OK. | 10 | 10 | ||
| 10 | 0.001 secunde | OK. | 10 | 10 | ||
| Punctaj total | 100 | |||||
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Playfair 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.