校赛总结
1.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1142
1 #include <iostream> 2 3 using namespace std; 4 5 int main() 6 { 7 long long sum,data[100],data1[100],t,n,k; 8 data[0]=1,data[1]=2;data1[0]=1;data1[1]=3; 9 for(int i=2;i<91;i++) 10 { 11 data[i]=data[i-1]+data[i-2]; 12 data1[i]=data1[i-1]+data[i]; 13 } 14 while(cin>>t) 15 { 16 while(t--) 17 { 18 cin>>n; 19 for(int i=0;i<91;i++) 20 if(data1[i]==n) 21 {cout<<i+1<<endl;break;} 22 else if(data1[i]<n&&data1[i+1]>n) 23 {cout<<i+1<<endl;break;} 24 } 25 } 26 return 0; 27 }
2.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1143
1 #include<iostream> 2 #include<cstdio> 3 #include<cstdlib> 4 #include<algorithm> 5 6 using namespace std; 7 int main() 8 { 9 long long data[3]; 10 while(cin>>data[0]>>data[1]>>data[2]) 11 { 12 sort(data,data+3); 13 if(data[0]>data[2]-data[1])//a>b+c和a-b<c是同样的意义 14 cout<<"Yes"<<endl; 15 else 16 cout<<"No"<<endl; 17 } 18 return 0; 19 }
3.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1145
1 #include<iostream> 2 #include<cstdio> 3 #include<cstdlib> 4 #include<algorithm> 5 #include<cstring> 6 7 using namespace std; 8 long long data[10000005]; 9 int min_(int a,int b) 10 { 11 if(a<b) 12 return a; 13 else 14 return b; 15 } 16 int main() 17 { 18 long long t,n,x,y,sum; 19 while(cin>>t) 20 { 21 while(t--) 22 { 23 sum=0; 24 cin>>n>>x>>y; 25 x=min_(x,y); 26 for(int i=0;i<n;i++) 27 cin>>data[i]; 28 for(int i=0;i<n;i++) 29 if(x<data[i]*2) 30 sum++; 31 cout<<sum<<endl; 32 } 33 } 34 return 0; 35 }
4.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1146
1 #include<iostream> 2 #include<cstdio> 3 #include<cstdlib> 4 #include<algorithm> 5 #include<cstring> 6 using namespace std; 7 int main() 8 { 9 char data1[3005],data2[3005]; 10 int sum1,sum2; 11 while(cin>>data1>>data2) 12 { 13 sum1=sum2=0; 14 for(int i=0;i<strlen(data1);i++) 15 sum1=(sum1*10+data1[i]-'0')%10000007; 16 for(int i=0;i<strlen(data2);i++) 17 sum2=(sum2*10+data2[i]-'0')%10000007; 18 cout<<(sum1+sum2)%10000007<<endl; 19 } 20 return 0; 21 }
5.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1147
1 #include<iostream> 2 #include<cstdio> 3 #include<cstdlib> 4 #include<algorithm> 5 #include<cstring> 6 7 using namespace std; 8 struct sa 9 { 10 char name[30]; 11 char num[20]; 12 double grade; 13 }data[30]; 14 int main() 15 { 16 int n,a[20],k; 17 while(cin>>n) 18 { 19 k=0;getchar(); 20 for(int i=0;i<n;i++) 21 { 22 gets(data[i].name); 23 gets(data[i].num); 24 cin>>data[i].grade; 25 getchar(); 26 if(data[i].grade<60.0) 27 { 28 a[k]=i;k++; 29 } 30 } 31 if(k==0) 32 cout<<"They are Great!!"<<endl; 33 else 34 { 35 cout<<k<<endl; 36 for(int i=0;i<k;i++) 37 cout<<data[a[i]].name<<endl; 38 for(int i=0;i<k;i++) 39 cout<<data[a[i]].num<<endl; 40 for(int i=0;i<k;i++) 41 printf("%.2lf\n",data[a[i]].grade); 42 } 43 } 44 45 return 0; 46 }
6.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1148
1 #include<iostream> 2 #include<cstdio> 3 #include<cstdlib> 4 #include<algorithm> 5 #include<cstring> 6 7 using namespace std; 8 int main() 9 { 10 int n; 11 while(cin>>n) 12 { 13 if(n==1) 14 { 15 putchar('.'); 16 cout<<endl; 17 continue; 18 } 19 for(int i=1;i<=n;i++) 20 { 21 for(int j=1;j<=n;j++) 22 { 23 if(i==1||i==n||j==1) 24 putchar('.'); 25 } 26 cout<<endl; 27 } 28 } 29 return 0; 30 }
7.http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=1151
1 #include <iostream> 2 #include <cstring> 3 #include <math.h> 4 #include <stdio.h> 5 using namespace std; 6 7 int main() 8 { 9 10 int 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11 ,1000001}; 12 int n,k; 13 while(cin>>n) 14 { 15 if(n>1000000) 16 continue; 17 for(int i=0;i<7703;i++) 18 { 19 if(n<data[i+1]&&data[i]<=n) 20 { 21 k=i;break; 22 } 23 } 24 cout<<data[k]<<endl; 25 } 26 27 return 0; 28 }
一次简单的测试没什么难题，简单的记录一下
