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View Compilation Error

0_0_1706357_22007.cpp: In function `int cmp(Stu*, Stu*)':
0_0_1706357_22007.cpp:18: error: `name' has not been declared
0_0_1706357_22007.cpp:18: error: request for member of non-aggregate type before ',' token
0_0_1706357_22007.cpp:18: error: `name' has not been declared
0_0_1706357_22007.cpp:18: error: request for member of non-aggregate type before ')' token
0_0_1706357_22007.cpp:19: error: `score' has not been declared
0_0_1706357_22007.cpp:19: error: request for member of non-aggregate type before '-' token
0_0_1706357_22007.cpp:19: error: `score' has not been declared
0_0_1706357_22007.cpp:19: error: request for member of non-aggregate type before ';' token
0_0_1706357_22007.cpp:20: error: `id' has not been declared
0_0_1706357_22007.cpp:20: error: request for member of non-aggregate type before '-' token
0_0_1706357_22007.cpp:20: error: `id' has not been declared
0_0_1706357_22007.cpp:20: error: request for member of non-aggregate type before ';' token
0_0_1706357_22007.cpp: In function `int main()':
0_0_1706357_22007.cpp:35: error: invalid conversion from `int (*)(Stu*, Stu*)' to `int (*)(const void*, const void*)'
0_0_1706357_22007.cpp:35: error:   initializing argument 4 of `void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'


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