0_0_17815575_15752.cpp: In function 'int main()':
0_0_17815575_15752.cpp:18:29: error: 'memset' was not declared in this scope
{memset(mark,0,sizeof(mark));
^
0_0_17815575_15752.cpp:26:27: error: 'sort' was not declared in this scope
sort(data+1,data+1+n,cmp); //先按分数排序,有个排序的标准
^
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