View Compilation Error

0_0_24328060_32603.cpp: In function 'void NYAM::main()':
0_0_24328060_32603.cpp:30:25: error: 'n' was not declared in this scope
         iscanf("%d%d", &n, &m);
                         ^
0_0_24328060_32603.cpp:30:29: error: 'm' was not declared in this scope
         iscanf("%d%d", &n, &m);
                             ^
0_0_24328060_32603.cpp:30:30: error: 'iscanf' was not declared in this scope
         iscanf("%d%d", &n, &m);
                              ^
0_0_24328060_32603.cpp:41:17: error: 'ans' was not declared in this scope
                 ans[cnt++]=i;
                 ^