View Compilation Error

0_0_21596212_11622.cpp:2:1: error: 'LL' does not name a type
 LL c[NUM][NUM];
 ^
0_0_21596212_11622.cpp: In function 'void init()':
0_0_21596212_11622.cpp:5:5: error: 'c' was not declared in this scope
     c[0][0]=c[1][0]=c[1][1]=1;
     ^
0_0_21596212_11622.cpp:9:45: error: 'mod' was not declared in this scope
             c[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;
                                             ^