ios - else if expected expression c++ / Xcode -


i have seen problem around forum have not been able fix issue. after "else if" xcode can't compile, tells me "parse issue" , requieres "expected expression".

i know beginner's question want understand wrong code, why keeps telling me expected expression after each esle if... 

if (typestrat == 1)     {         cout << "quel est le prix d'exercice du long call ?" << endl;         cin >> k1;         cout << "quel est le prix d'exercice du long put ?" << endl;         cin >> k2;          cout << "prix de la stratégie " << (bsprixcall(s,k,t,r,v) + bsprixput(s,k,t,r,v)) << endl;         cout << "delta " << (bsdeltacall(s,k,t,r,v) + bsdeltaput(s,k,t,r,v)) << endl;         cout << "vega  " << (2*bsvega(s,k,t,r,v))         << endl;         cout << "rho   " << (bsrhocall(s,k,t,r,v) + bsrhoput(s,k,t,r,v))   << endl;         cout << "theta " << (bsthetacall(s,k,t,r,v)/365.0) + (bsthetaput(s,k,t,r,v)/365.0)         << "journalier" << endl;          else if (typestrat == 2)         {             cout << "quel est le prix d'exercice du long call ?" << endl;             cin >> k1;             cout << "quel est le prix d'exercice du long put ?" << endl;             cin >> k2;              cout << "prix de la stratégie " << (bsprixcall(s,k1,t,r,v) + bsprixput(s,k2,t,r,v)) << endl;             cout << "delta " << (bsdeltacall(s,k1,t,r,v) + bsdeltaput(s,k2,t,r,v)) << endl;             cout << "vega  " << (bsvega(s,k1,t,r,v) + bsvega(s,k2,t,r,v))       << endl;             cout << "rho   " << (bsrhocall(s,k1,t,r,v) + bsrhoput(s,k2,t,r,v))   << endl;             cout << "theta " << (bsthetacall(s,k1,t,r,v)/365.0) + (bsthetaput(s,k2,t,r,v)/365.0)             << "journalier" << endl;         }          else if (typestrat == 3)         {             cout << "quel est le prix d'exercice du long call ?" << endl;             cin >> k1;             cout << "quel est le prix d'exercice du short call ?" << endl;             cin >> k2;              cout << "prix de la stratégie " << (bsprixcall(s,k1,t,r,v) - bsprixcall(s,k2,t,r,v)) << endl;             cout << "delta " << (bsdeltacall(s,k1,t,r,v) - bsdeltacall(s,k2,t,r,v)) << endl;             cout << "vega  " << (bsvega(s,k1,t,r,v) - bsvega(s,k2,t,r,v))       << endl;             cout << "rho   " << (bsrhocall(s,k1,t,r,v) - bsrhocall(s,k2,t,r,v))   << endl;             cout << "theta " << (bsthetacall(s,k1,t,r,v)/365.0) - (bsthetacall(s,k2,t,r,v)/365.0)             << "journalier" << endl;         }          else if (typestrat == 4)         {             cout << "quel est le prix d'exercice du long put ?" << endl;             cin >> k1;             cout << "quel est le prix d'exercice du short put ?" << endl;             cin >> k2;              cout << "prix de la stratégie " << (bsprixput(s,k1,t,r,v) - bsprixput(s,k2,t,r,v)) << endl;             cout << "delta " << (bsdeltaput(s,k1,t,r,v) - bsdeltaput(s,k2,t,r,v)) << endl;             cout << "vega  " << (bsvega(s,k1,t,r,v) - bsvega(s,k2,t,r,v))       << endl;             cout << "rho   " << (bsrhoput(s,k1,t,r,v) - bsrhoput(s,k2,t,r,v))   << endl;             cout << "theta " << (bsthetaput(s,k1,t,r,v)/365.0) - (bsthetaput(s,k2,t,r,v)/365.0)             << "journalier" << endl;         }          else if (typestrat == 5)         {             cout << "quel est le prix d'exercice du long call ?" << endl;             cin >> k1;             cout << "quel est le prix d'exercice des deux short call ?" << endl;             cin >> k2;              cout << "prix de la stratégie " << (bsprixcall(s,k1,t,r,v) - 2*bsprixcall(s,k2,t,r,v)) << endl;             cout << "delta " << (bsdeltacall(s,k1,t,r,v) - 2*bsdeltacall(s,k2,t,r,v)) << endl;             cout << "vega  " << (bsvega(s,k1,t,r,v) - 2*bsvega(s,k2,t,r,v))       << endl;             cout << "rho   " << (bsrhocall(s,k1,t,r,v) - 2*bsrhocall(s,k2,t,r,v))   << endl;             cout << "theta " << (bsthetacall(s,k1,t,r,v)/365.0) - 2*(bsthetacall(s,k2,t,r,v)/365.0)             << "journalier" << endl;         }          else if (typestrat == 6)         {             cout << "quel est le prix d'exercice du long put ?" << endl;             cin >> k1;             cout << "quel est le prix d'exercice des deux short put ?" << endl;             cin >> k2;              cout << "prix de la stratégie " << (bsprixput(s,k1,t,r,v) - 2*bsprixput(s,k2,t,r,v)) << endl;             cout << "delta " << (bsdeltaput(s,k1,t,r,v) - 2*bsdeltaput(s,k2,t,r,v)) << endl;             cout << "vega  " << (bsvega(s,k1,t,r,v) - 2*bsvega(s,k2,t,r,v))       << endl;             cout << "rho   " << (bsrhoput(s,k1,t,r,v) - 2*bsrhoput(s,k2,t,r,v))   << endl;             cout << "theta " << (bsthetaput(s,k1,t,r,v)/365.0) - 2*(bsthetaput(s,k2,t,r,v)/365.0)             << "journalier" << endl;         }      }

an else if requires preceding if statement. block of if statement precedes first else if not closed, i.e. ending curly brace } missing. also, there } in end.

missing curly brace: 

if (typestrat == 1) {     cout << "quel est le prix d'exercice du long call ?" << endl;     cin >> k1;     cout << "quel est le prix d'exercice du long put ?" << endl;     cin >> k2;      cout << "prix de la stratégie " << (bsprixcall(s,k,t,r,v) + bsprixput(s,k,t,r,v)) << endl;     cout << "delta " << (bsdeltacall(s,k,t,r,v) + bsdeltaput(s,k,t,r,v)) << endl;     cout << "vega  " << (2*bsvega(s,k,t,r,v))         << endl;     cout << "rho   " << (bsrhocall(s,k,t,r,v) + bsrhoput(s,k,t,r,v))   << endl;     cout << "theta " << (bsthetacall(s,k,t,r,v)/365.0) + (bsthetaput(s,k,t,r,v)/365.0)     << "journalier" << endl;   //  }  <-- insert ending curly brace here     else if (typestrat == 2)

extra curly brace:

else if (typestrat == 6)     {         cout << "quel est le prix d'exercice du long put ?" << endl;         cin >> k1;         cout << "quel est le prix d'exercice des deux short put ?" << endl;         cin >> k2;          cout << "prix de la stratégie " << (bsprixput(s,k1,t,r,v) - 2*bsprixput(s,k2,t,r,v)) << endl;         cout << "delta " << (bsdeltaput(s,k1,t,r,v) - 2*bsdeltaput(s,k2,t,r,v)) << endl;         cout << "vega  " << (bsvega(s,k1,t,r,v) - 2*bsvega(s,k2,t,r,v))       << endl;         cout << "rho   " << (bsrhoput(s,k1,t,r,v) - 2*bsrhoput(s,k2,t,r,v))   << endl;         cout << "theta " << (bsthetaput(s,k1,t,r,v)/365.0) - 2*(bsthetaput(s,k2,t,r,v)/365.0)         << "journalier" << endl;     }  }     //   <-- remove curly brace

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