Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:13:11: error: ‘nr’ was not declared in this scope f>>k;nr=0;r=0; ^ user.cpp:13:16: error: ‘r’ was not declared in this scope f>>k;nr=0;r=0; ^ user.cpp:14:11: error: ‘t’ was not declared in this scope for (t=0;t<k;t++) ^ user.cpp:16:13: error: ‘l1’ was not declared in this scope f>>l1>>l2>>l3>>l4; ^ user.cpp:16:17: error: ‘l2’ was not declared in this scope f>>l1>>l2>>l3>>l4; ^ user.cpp:16:21: error: ‘l3’ was not declared in this scope f>>l1>>l2>>l3>>l4; ^ user.cpp:16:25: error: ‘l4’ was not declared in this scope f>>l1>>l2>>l3>>l4; ^ user.cpp:17:13: error: ‘p’ was not declared in this scope f>>p;ok=0; ^ user.cpp:17:15: error: ‘ok’ was not declared in this scope f>>p;ok=0; ^ user.cpp:21:14: error: ‘l’ was not declared in this scope {l=l2;x=l4;} ^ user.cpp:21:19: error: ‘x’ was not declared in this scope {l=l2;x=l4;} ^ user.cpp:22:16: error: ‘l’ was not declared in this scope else {l=l4;x=l2;} ^ user.cpp:22:21: error: ‘x’ was not declared in this scope else {l=l4;x=l2;} ^ user.cpp:25:37: error: expected ‘;’ before ‘)’ token for (i=l1-1,i<=l3-1;i++) ^ user.cpp:27:28: error: ‘l’ was not declared in this scope for (j=l;j<=x-t;j++) ^ user.cpp:27:33: error: ‘x’ was not declared in this scope for (j=l;j<=x-t;j++) ^ user.cpp:28:47: error: expected ‘;’ before ‘}’ token