Eroare de compilare: user.cpp: In function ‘int main(int, const char**)’: user.cpp:5:32: error: too few arguments to function ‘FILE* fopen(const char*, const char*)’ FILE * in = fopen("adunare.in"); ^ In file included from user.cpp:1:0: /usr/include/stdio.h:273:14: note: declared here extern FILE *fopen (__const char *__restrict __filename, ^ user.cpp:6:34: error: too few arguments to function ‘FILE* fopen(const char*, const char*)’ FILE * out = fopen("adunare.out"); ^ In file included from user.cpp:1:0: /usr/include/stdio.h:273:14: note: declared here extern FILE *fopen (__const char *__restrict __filename, ^ user.cpp:10:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &a); ^ user.cpp:11:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &b); ^