View Compilation Error

0_0_26567884_25745.cpp: In function 'int main()':
0_0_26567884_25745.cpp:13:13: error: 'INF' was not declared in this scope
   memset(dp,INF,siezeof(dp));
             ^
0_0_26567884_25745.cpp:13:27: error: 'siezeof' was not declared in this scope
   memset(dp,INF,siezeof(dp));
                           ^
0_0_26567884_25745.cpp:16:8: error: 'i' was not declared in this scope
    sum[i+n][i+n] = sum[i][i];
        ^
0_0_26567884_25745.cpp:39:13: error: 'INF' was not declared in this scope
   int ans = INF;
             ^
0_0_26567884_25745.cpp: At global scope:
0_0_26567884_25745.cpp:46:1: error: expected declaration before '}' token
 } 
 ^