cluedo.cpp: In function 'void Solve()':
cluedo.cpp:51:17: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized]
51 | c[z]=1;
| ~~~~^~
cluedo.cpp:47:17: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
47 | b[y]=1;
| ~~~~^~
cluedo.cpp:43:17: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
43 | a[x]=1;
| ~~~~^~
/usr/bin/ld: /tmp/ccY3JjwN.o: in function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'; /tmp/ccHGWBsP.o:cluedo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status