自學C 四月十八日_乾貨_微元演算法

//5位運動員參加了10米臺跳水比賽，有人讓他們預測比賽結果
//A選手說：B第二，我第三；
//B選手說：我第二，E第四；
//C選手說：我第一，D第二；
//D選手說：C最後，我第三；
//E選手說：我第四，A第一；
//比賽結束後，每位選手都說對了一半，請程式設計確定比賽的名次。
#include<stdio.h>
#include<windows.h>
int checkRank(int * player, int n){
int i, res = 0;
for (i = 0; i < n; i++){
res |= 1 << player[i];
}
return res == 0x3e;
}
int main(){
int player[5] = { 0 };
for (player[0] = 1; player[0] <= 5; player[0]++){
for (player[1] = 1; player[1] <= 5; player[1]++){
for (player[2] = 1; player[2] <= 5; player[2]++){
for (player[3] = 1; player[3] <= 5; player[3]++){
for (player[4] = 1; player[4] <= 5; player[4]++)
if ((player[0] == 3) + (player[1] == 2) == 1 &&
(player[1] == 2) + (player[4] == 4) == 1 &&
(player[2] == 1) + (player[3] == 2) == 1 &&
(player[2] == 5) + (player[3] == 3) == 1 &&
(player[4] == 4) + (player[0] == 1) == 1 &&
checkRank(player, 5)){
printf(
“a是第%d\n”
“b是第%d\n”
“c是第%d\n”
“d是第%d\n”
“e是第%d\n”,
player[0], player[1], player[2], player[3], player[4]);
}

			}
		}
	}
}
system ("pause");
return 0;

}