Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:47:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &n); ^ user.cpp:51:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &nBets); ^ user.cpp:53:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &time, &val); ^ /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libc.a(malloc.o): In function `free': (.text+0x4ad0): multiple definition of `free' /tmp/ccR6SkCj.o:(.bss+0x28a674): first defined here /usr/bin/ld: Warning: size of symbol `free' changed from 4 in /tmp/ccR6SkCj.o to 140 in /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libc.a(malloc.o) /usr/bin/ld: Warning: type of symbol `free' changed from 1 to 2 in /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libc.a(malloc.o) collect2: error: ld returned 1 exit status