View Compilation Error

0_0_20996943_13684.cpp: In function 'void ZeroOnePack(int, int)':
0_0_20996943_13684.cpp:15:19: error: expected primary-expression before '<' token
    cur[j]=f[i][j];<span style="font-family:Arial,Helvetica,sans-serif">//从大到小排序，方便最后合并找最大的前K个值</span>
                   ^
0_0_20996943_13684.cpp:15:20: error: 'span' was not declared in this scope
    cur[j]=f[i][j];<span style="font-family:Arial,Helvetica,sans-serif">//从大到小排序，方便最后合并找最大的前K个值</span>
                    ^
0_0_20996943_13684.cpp: In function 'int main()':
0_0_20996943_13684.cpp:35:23: error: 'memset' was not declared in this scope
   memset(f,0,sizeof(f));
                       ^