0_0_22944451_21681.cpp: In function 'void make(int, int, int)':
0_0_22944451_21681.cpp:15:16: error: 'struct node' has no member named 'sum'
t[num].sum=r[left];
^
0_0_22944451_21681.cpp:20:16: error: 'struct node' has no member named 'sum'
t[num].sum=t[num+num].sum+t[num+num+1].sum;
^
0_0_22944451_21681.cpp:20:31: error: 'struct node' has no member named 'sum'
t[num].sum=t[num+num].sum+t[num+num+1].sum;
^
0_0_22944451_21681.cpp:20:48: error: 'struct node' has no member named 'sum'
t[num].sum=t[num+num].sum+t[num+num+1].sum;
^
0_0_22944451_21681.cpp: In function 'void query(int, int, int)':
0_0_22944451_21681.cpp:26:21: error: 'struct node' has no member named 'sum'
ans+=t[num].sum;
^
0_0_22944451_21681.cpp: In function 'void add(int, int, int)':
0_0_22944451_21681.cpp:42:12: error: 'struct node' has no member named 'sum'
t[num].sum+=y;//整体加y
^
0_0_22944451_21681.cpp: In function 'void sub(int, int, int)':
0_0_22944451_21681.cpp:52:12: error: 'struct node' has no member named 'sum'
t[num].sum-=y;//整体减y
^
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