Problem	fenwicktree
User	Runjia
Submission Time	2025-03-15 10:38:14
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fenwicktree.cpp: In function ‘void update(int, int)’:
fenwicktree.cpp:10:14: error: ‘n’ was not declared in this scope
10 | for(; p <= n; p += (p & -p)) ft[p] += v;
| ^
fenwicktree.cpp: In function ‘int main()’:
fenwicktree.cpp:19:18: error: expected ‘;’ before ‘<=’ token
19 | for(int j = 0, j<= M; j++){
| ^~
| ;
fenwicktree.cpp:19:18: error: expected primary-expression before ‘<=’ token
19 | for(int j = 0, j<= M; j++){
| ^~
fenwicktree.cpp:20:19: error: expected unqualified-id before ‘;’ token
20 | int T,a,b,c,x,y,; cin >> T;
| ^
fenwicktree.cpp:22:24: error: too many arguments to function ‘int query(int)’
22 | cin >>x,y; query (x,y)
| ^
fenwicktree.cpp:4:5: note: declared here
4 | int query(int p) {
| ^~~~~
fenwicktree.c