View Compilation Error

0_0_22176919_15152.cpp: In function 'int main()':
0_0_22176919_15152.cpp:6:16: error: 'scanft' was not declared in this scope
  scanft("%d",&n);
                ^
0_0_22176919_15152.cpp:7:16: error: redeclaration of 'int sum'
  for(int sum=0,sum=sum+n,n++,n<=100)
                ^
0_0_22176919_15152.cpp:7:10: note: 'int sum' previously declared here
  for(int sum=0,sum=sum+n,n++,n<=100)
          ^
0_0_22176919_15152.cpp:7:27: error: expected initializer before '++' token
  for(int sum=0,sum=sum+n,n++,n<=100)
                           ^
0_0_22176919_15152.cpp:7:27: error: expected ';' before '++' token
0_0_22176919_15152.cpp:7:29: error: expected primary-expression before ',' token
  for(int sum=0,sum=sum+n,n++,n<=100)
                             ^
0_0_22176919_15152.cpp:7:36: error: expected ';' before ')' token
  for(int sum=0,sum=sum+n,n++,n<=100)
                                    ^