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View Compilation Error

0_0_12331371_20686.cpp: In member function `void BIT::init(int)':
0_0_12331371_20686.cpp:41: error: `num' undeclared (first use this function)
0_0_12331371_20686.cpp:41: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12331371_20686.cpp: At global scope:
0_0_12331371_20686.cpp:49: error: expected init-declarator before "Tr2"
0_0_12331371_20686.cpp:49: error: expected `,' or `;' before "Tr2"
0_0_12331371_20686.cpp: In function `void bfs_init(int, int*)':
0_0_12331371_20686.cpp:71: error: `match' undeclared (first use this function)
0_0_12331371_20686.cpp:78: error: `Tr1' undeclared (first use this function)
0_0_12331371_20686.cpp: In function `void bfs_work(int, int*, int*)':
0_0_12331371_20686.cpp:84: error: `match' undeclared (first use this function)
0_0_12331371_20686.cpp:87: error: `size' undeclared (first use this function)
0_0_12331371_20686.cpp:87: error: `Max' undeclared (first use this function)
0_0_12331371_20686.cpp: In function `void solve(int, int, int)':
0_0_12331371_20686.cpp:103: error: invalid conversion from `int' to `int*'
0_0_12331371_20686.cpp:70: error: too many arguments to function `void bfs_init(int, int*)'
0_0_12331371_20686.cpp:103: error: at this point in file
0_0_12331371_20686.cpp:104: error: `x' undeclared (first use this function)
0_0_12331371_20686.cpp:104: error: `len' undeclared (first use this function)
0_0_12331371_20686.cpp:105: error: invalid conversion from `int' to `int*'
0_0_12331371_20686.cpp:105: error:   initializing argument 2 of `void bfs_work(int, int*, int*)'
0_0_12331371_20686.cpp:105: error: invalid conversion from `int' to `int*'
0_0_12331371_20686.cpp:105: error:   initializing argument 3 of `void bfs_work(int, int*, int*)'
0_0_12331371_20686.cpp: In function `int main()':
0_0_12331371_20686.cpp:114: error: invalid conversion from `int' to `int*'
0_0_12331371_20686.cpp:114: error:   initializing argument 2 of `void bfs_work(int, int*, int*)'


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