/in/foo.cc:7:2: error: expected initializer before 'for'
  for(int i=c[t-1]+1;i<=n;i++){
  ^~~
/in/foo.cc:7:21: error: 'i' does not name a type
  for(int i=c[t-1]+1;i<=n;i++){
                     ^
/in/foo.cc:7:26: error: 'i' does not name a type
  for(int i=c[t-1]+1;i<=n;i++){
                          ^
/in/foo.cc:28:1: error: expected declaration before '}' token
 }
 ^