Eroare de compilare: user.cpp:9:44: error: ‘int index’ redeclared as different kind of symbol int dp[20][N], n, m, a, i, j, p, q, power, index, aux; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:48, from user.cpp:1: /usr/include/string.h:482:1: error: previous declaration of ‘const char* index(const char*, int)’ index (__const char *__s, int __c) __THROW ^ user.cpp: In function ‘int main()’: user.cpp:23:26: error: overloaded function with no contextual type information power = 1; index = 0; ^ user.cpp:27:18: error: no post-increment operator for type index++; ^ user.cpp:30:14: error: no post-decrement operator for type index--; ^ user.cpp:31:21: error: invalid types ‘int [20][250001][<unresolved overloaded function type>]’ for array subscript a = dp[index][q]; ^ user.cpp:12:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d%d", &n, &m); ^ user.cpp:14:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d", &dp[0][i]); ^ user.cpp:22:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1, "%d%d", &q, &p); ^