View Compilation Error

0_0_18702120_17882.cpp: In function 'void init()':
0_0_18702120_17882.cpp:10:2: error: 'nbsp' was not declared in this scope
     int i;
  ^
0_0_18702120_17882.cpp:11:29: error: 'memset' was not declared in this scope
  memset(in,0,sizeof(in));
                             ^
0_0_18702120_17882.cpp: In function 'int find(int)':
0_0_18702120_17882.cpp:21:2: error: 'nbsp' was not declared in this scope
     while(a!=set[a])
  ^
0_0_18702120_17882.cpp: In function 'void uion(int, int)':
0_0_18702120_17882.cpp:29:2: error: 'nbsp' was not declared in this scope
     a=find(a);
  ^
0_0_18702120_17882.cpp: In function 'int main()':
0_0_18702120_17882.cpp:37:2: error: 'nbsp' was not declared in this scope
      int m,len,flag,i,j;
  ^
0_0_18702120_17882.cpp:66:20: error: continue statement not within a loop
     continue;
                    ^
0_0_18702120_17882.cpp:82:14: error: 'else' without a previous 'if'
    else
              ^
0_0_18702120_17882.cpp:89:20: error: 'else' without a previous 'if'
     else
                    ^