#ifndef INC_303_H #define INC_303_H #ifdef __cplusplus extern "C" { #endif typedef struct { int *data; int size; } NumArray; NumArray *numArrayCreate(int *nums, int numsSize); int numArraySumRange(NumArray *obj, int left, int right); void numArrayFree(NumArray *obj); #ifdef __cplusplus } #endif #endif