T(n)=O(N^5)
每组条件只对半句
#define _CRT_SECURE_NO_WARNINGS 1 #include#include #include //每组条件只对半句 //a b==2,a==3 //b b==2,e==4 //c c==1,d==2 //d c==5,d==3 //e e==4,a==1 int main(){ char score[5]={0}; for(score[0]=1;score[0]<=5;score[0]++) for(score[1]=1;score[1]<=5;score[1]++){ if(score[1]==score[0]) continue; for(score[2]=1;score[2]<=5;score[2]++){ if(score[2]==score[1]||score[2]==score[0]) continue; for(score[3]=1;score[3]<=5;score[3]++){ if(score[3]==score[2]||score[3]==score[1]||score[3]==score[0]) continue; for(score[4]=1;score[4]<=5;score[4]++){ if(score[4]==score[3]||score[4]==score[2]||score[4]==score[1]||score[4]==score[0]) continue; if(((score[1]==2)+(score[0]==3)==1)&&((score[1]==2)+(score[4]==4)==1)&&((score[2]==1)+(score[3]==2)==1)&&((score[2]==5)+(score[3]==3)==1)&&((score[4]==4)+(score[0]==1)==1)){ fputs("The score is:",stderr); for(int i=0,j='a';i<5;printf("%c-NO.%d ",j,score[i]),j++,i++); fputc(10,stderr); exit(0); } } } } } return 0;}



