Compilare: user.cpp: In function ‘int main()’: user.cpp:339:37: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(f, "%d", &query[i].task); ^ user.cpp:326:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("game.out", "w", stdout); ^ user.cpp:328:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d", &R, &C, &N); ^ user.cpp:339:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &query[i].task); ^ user.cpp:341:73: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %lld", &query[i].a, &query[i].b, &query[i].val); ^ user.cpp:343:85: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d %d", &query[i].a, &query[i].b, &query[i].c, &query[i].d); ^ user.cpp:258:33: warning: array subscript is below array bounds [-Warray-bounds] return x + (val != normalize[x]) * set; ^