Compilare: user.cpp: In function ‘int main()’: user.cpp:80:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘unsigned char*’ [-Wformat=] scanf("%d %d %d\n", &n, &m, &q); ^ user.cpp:80:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘unsigned char*’ [-Wformat=] user.cpp:100:39: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘unsigned char*’ [-Wformat=] scanf("%d%d%d%d", &x1, &y1, &x2, &y2); ^ user.cpp:100:39: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘unsigned char*’ [-Wformat=] user.cpp:100:39: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘unsigned char*’ [-Wformat=] user.cpp:100:39: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘unsigned char*’ [-Wformat=] /tmp/ccjGzvZM.o: In function `main': user.cpp:(.text.startup+0x88): warning: the `gets' function is dangerous and should not be used.