2017ccpc网络赛 1003Friend-Graph
2017-08-20 12:17
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Friend-Graph
[b]Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 781 Accepted Submission(s): 412
[/b]
[align=left]Problem Description[/align]
It is well known that small groups are not conducive of the development of a team. Therefore, there shouldn’t be any small groups in a good team.
In a team with n members,if there are three or more members are not friends with each other or there are three or more members who are friends with each other. The team meeting the above conditions can be called a bad team.Otherwise,the team is a good team.
A company is going to make an assessment of each team in this company. We have known the team with n members and all the friend relationship among these n individuals. Please judge whether it is a good team.
[align=left]Input[/align]
The first line of the input gives the number of test cases T; T test cases follow.(T<=15)
The first line od each case should contain one integers n, representing the number of people of the team.(n≤3000)
Then there are n-1 rows. The ith
row should contain n-i numbers, in which number aij
represents the relationship between member i and member j+i. 0 means these two individuals are not friends. 1 means these two individuals are friends.
[align=left]Output[/align]
Please output ”Great Team!” if this team is a good team, otherwise please output “Bad Team!”.
[align=left]Sample Input[/align]
1
4
1 1 0
0 0
1
[align=left]Sample Output[/align]
Great Team!
签到题,建立map,循环遍历找朋友
#include <stdio.h> int map[3001][3001]; int main(int argc, char *argv[]) { int t; scanf("%d",&t); while(t--) { int n; scanf("%d",&n); int i,j; int a; for(i=0;i<n-1;i++) { for(j=i+1;j<n;j++) { int a; scanf("%d",&a); map[i][j]=map[j][i]=a; } } int flag=0; for(i=0;i<n;i++) { int sum1=0,sum2=0; for(j=0;j<n;j++) { if(map[i][j]==1) sum1++; else sum2++; if(sum1>=3||sum2>=3) { flag=1; break; } } if(flag==1) break; } if(flag==1) printf("Bad Team!\n"); else printf("Great Team!\n"); } return 0; }
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