Rezumat problemă

Detalii

Problema	Playfair	Operații I/O	playfair.in/playfair.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#43003068	Utilizator	vasile dorel (BirsanCristian)
Fișier	playfair.cpp	Dimensiune	1.63 KB
Data încărcării	27 Martie 2023, 00:04	Scor / rezultat	20 puncte

Evaluare

Mesaj compilare

playfair.cpp: In function 'void encryptedMessage(std::string)':
playfair.cpp:17:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<s.size(); i+=2)

                           ^
playfair.cpp: In function 'void decryptedMessage(std::string)':
playfair.cpp:31:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<s.size(); i+=2)

                           ^
playfair.cpp:38:42: warning: statement has no effect [-Wunused-value]
             int n=c1-1, m=c2-1; if(n<0) n==4; if(m<0) m==4;

                                          ^
playfair.cpp:38:56: warning: statement has no effect [-Wunused-value]
             int n=c1-1, m=c2-1; if(n<0) n==4; if(m<0) m==4;

                                                        ^
playfair.cpp:41:42: warning: statement has no effect [-Wunused-value]
             int n=c1-1, m=c2-1; if(n<0) n==4; if(m<0) m==4;

                                          ^
playfair.cpp:41:56: warning: statement has no effect [-Wunused-value]
             int n=c1-1, m=c2-1; if(n<0) n==4; if(m<0) m==4;

                                                        ^
playfair.cpp: In function 'int main()':
playfair.cpp:54:22: warning: array subscript has type 'char' [-Wchar-subscripts]
             v[a[i][j]]=1;

                      ^
playfair.cpp: In function 'void encryptedMessage(std::string)':
playfair.cpp:22:43: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(l1!=l2 && c1!=c2){s[i]=a[l1][c2];s[i+1]=a[l2][c1];

                                           ^
playfair.cpp:22:60: warning: 'l2' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(l1!=l2 && c1!=c2){s[i]=a[l1][c2];s[i+1]=a[l2][c1];

                                                            ^
playfair.cpp:23:47: warning: 'l1' may be used uninitialized in this function [-Wmaybe-uninitialized]
         } else if(l1==l2) {s[i]=a[l1][(c1+1)%5];s[i+1]=a[l2][(c2+1)%5]; }

                                               ^
playfair.cpp:23:42: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized]
         } else if(l1==l2) {s[i]=a[l1][(c1+1)%5];s[i+1]=a[l2][(c2+1)%5]; }

                                          ^
playfair.cpp: In function 'void decryptedMessage(std::string)':
playfair.cpp:36:43: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(l1!=l2 && c1!=c2){s[i]=a[l1][c2];s[i+1]=a[l2][c1];

                                           ^
playfair.cpp:36:60: warning: 'l2' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(l1!=l2 && c1!=c2){s[i]=a[l1][c2];s[i+1]=a[l2][c1];

                                                            ^
playfair.cpp:39:25: warning: 'l1' may be used uninitialized in this function [-Wmaybe-uninitialized]
             s[i]=a[l1][n];s[i+1]=a[l2][m]; }

                         ^
playfair.cpp:42:32: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized]
             s[i]=a[(l1+1)%5][c1]; s[i+1]=a[(l2+1)%5][c2]; }

                                ^

Rezultat evaluare

Cum funcționează evaluarea?