Compilare: user.cpp: In function ‘int main()’: user.cpp:41:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz[i][j][a[j]] = j; ^ user.cpp:18:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("search.in", "r", stdin); ^ user.cpp:19:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("search.out", "w", stdout); ^ user.cpp:23:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:24:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ user.cpp:28:16: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(a); ^ user.cpp:29:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ user.cpp:49:16: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(a); ^ user.cpp:50:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ user.cpp:33:33: warning: array subscript is above array bounds [-Warray-bounds] poz[i][lungime[i]][k] = lungime[i]; ^ user.cpp:39:45: warning: array subscript is above array bounds [-Warray-bounds] poz[i][j][k] = poz[i][j+1][k]; ^ user.cpp:39:28: warning: array subscript is above array bounds [-Warray-bounds] poz[i][j][k] = poz[i][j+1][k]; ^ /tmp/ccqoZzsE.o: In function `main': user.cpp:(.text.startup+0xb4): warning: the `gets' function is dangerous and should not be used.