View Compilation Error

0_0_27631593_15107.cpp:30:2: error: expected initializer before 'for'
  for(int i=1;i<=N;i++)
  ^
0_0_27631593_15107.cpp:30:14: error: 'i' does not name a type
  for(int i=1;i<=N;i++)
              ^
0_0_27631593_15107.cpp:30:19: error: 'i' does not name a type
  for(int i=1;i<=N;i++)
                   ^
0_0_27631593_15107.cpp:31:16: error: 'j' does not name a type
    for(int j=1;j<=N;j++)
                ^
0_0_27631593_15107.cpp:31:21: error: 'j' does not name a type
    for(int j=1;j<=N;j++)
                     ^
0_0_27631593_15107.cpp:33:2: error: expected unqualified-id before 'for'
  for(int i=1;i<=N;i++) ans.a[i][i]=1;
  ^
0_0_27631593_15107.cpp:33:14: error: 'i' does not name a type
  for(int i=1;i<=N;i++) ans.a[i][i]=1;
              ^
0_0_27631593_15107.cpp:33:19: error: 'i' does not name a type
  for(int i=1;i<=N;i++) ans.a[i][i]=1;
                   ^
0_0_27631593_15107.cpp:35:5: error: expected unqualified-id before 'while'
     while(k){
     ^
0_0_27631593_15107.cpp:41:1: error: expected declaration before '}' token
 }
 ^