Submission #28655

#	Time	Username	Problem	Language	Result	Execution time	Memory
28655		핑응핑응 홍신정 (#68)	Bulb Game (FXCUP2_bulb)	C11	0 / 1	0 ms	1132 KiB

bulb

#include "bulb.h"

int button[1111];
int NN;
void Init(int N) {
	// do nothing
	NN = N;
}

int MakeTurn(int M) {
	button[M] = 1;
	for (int i = 2; i <= NN+1; i*=2) {
		if (button[(M + i) % (NN + 1)] == 0) {
			button[(M + i) % (NN + 1)] = 1;
			if ((M + i) % (NN + 1) == 0)
				return 1;
			return (M + i) % (NN + 1);
		}
	}
}

Compilation message (stderr)

bulb.c: In function 'MakeTurn':
bulb.c:20:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 1