Submission #864249

#	Time	Username	Problem	Language	Result	Execution time	Memory
864249		abcvuitunggio	Coins (IOI17_coins)	C++17	100 / 100	8 ms	1876 KiB

coins

#include "coins.h"
#define V std::vector <int>
#define F for(int i=0;i<64;i++)c^=b[i]*i;return {c};}
V coin_flips(V b, int c) {
    F
int find_coin(V b) {
	int c=0;
	F

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 15 / 15
• Subtask 5: 50 / 50