题意：给定n个人的4门课成绩，排名按总分，保证总分互不相同，求1号名次
n<=1e3,a[i],b[i],c[i],d[i]<=1e2
思路：
1 #include<cstdio> 2 #include<cstring> 3 #include<string> 4 #include<cmath> 5 #include<iostream> 6 #include<algorithm> 7 #include<map> 8 #include<set> 9 #include<queue> 10 #include<vector> 11 using namespace std; 12 typedef long long ll; 13 typedef unsigned int uint; 14 typedef unsigned long long ull; 15 typedef pair<int,int> PII; 16 typedef vector<int> VI; 17 #define fi first 18 #define se second 19 #define MP make_pair 20 #define N 1100000 21 #define MOD 1000000007 22 #define eps 1e-8 23 #define pi acos(-1) 24 25 26 27 int read() 28 { 29 int v=0,f=1; 30 char c=getchar(); 31 while(c<48||57<c) {if(c=='-') f=-1; c=getchar();} 32 while(48<=c&&c<=57) v=(v<<3)+v+v+c-48,c=getchar(); 33 return v*f; 34 } 35 36 void swap(int &x,int &y) 37 { 38 int t=x;x=y;y=t; 39 } 40 41 42 int main() 43 { 44 //freopen("1.in","r",stdin); 45 //freopen("1.out","w",stdout); 46 int n,s1,s2,s3,s4; 47 scanf("%d",&n); 48 scanf("%d%d%d%d",&s1,&s2,&s3,&s4); 49 int sum=s1+s2+s3+s4; 50 //printf("%d ",sum); 51 int ans=1; 52 for(int i=2;i<=n;i++) 53 { 54 int x1,x2,x3,x4; 55 scanf("%d%d%d%d",&x1,&x2,&x3,&x4); 56 int x=x1+x2+x3+x4; 57 //printf("%d ",x); 58 if(x>sum) ans++; 59 } 60 printf("%d ",ans); 61 return 0; 62 }