Compilare: main.cpp: In function 'int main()': main.cpp:45:39: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] fprintf( fout, "%d\n", ans.size() ); ^ main.cpp:46:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < ans.size(); i++ ) ~~^~~~~~~~~~~~ main.cpp:11:15: warning: unused variable 'x' [-Wunused-variable] int n, p, x, i, now = 0, before = 1, aux, k, y, j, s; ^ main.cpp:14:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &p ); ^ main.cpp:18:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^