Eroare de compilare: main.cpp: In function 'int main()': main.cpp:61:37: error: invalid conversion from 'char' to 'const char*' [-fpermissive] freopen("algsort.in", 'r', stdin); ^ In file included from main.cpp:3:0: /usr/include/stdio.h:278:14: note: initializing argument 2 of 'FILE* freopen(const char*, const char*, FILE*)' extern FILE *freopen (const char *__restrict __filename, ^~~~~~~ main.cpp:62:39: error: invalid conversion from 'char' to 'const char*' [-fpermissive] freopen("algsort.out", 'w', stdout); ^ In file included from main.cpp:3:0: /usr/include/stdio.h:278:14: note: initializing argument 2 of 'FILE* freopen(const char*, const char*, FILE*)' extern FILE *freopen (const char *__restrict __filename, ^~~~~~~ main.cpp:61:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.in", 'r', stdin); ^ main.cpp:62:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.out", 'w', stdout); ^ main.cpp:64:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:65:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for (int i=0; i<n; i++) scanf("%d", &arr[i]); ^ Non zero exit status: 1