#include<bits/stdc++.h> using namespace std; int main(){ /** for(初始值;循环条件;增量){ cout<< 1 3 5 7 9 } // 5 int sum = 0; for(long long i = 5;i < 1000;i++,sum++){ if(i % 5 == 0) cout<<i<<endl; } 1 - n cin>>n; n - m cin>>n>>m; cout<<sum; for(float a = 1;a<100;a+=0.1){ cout<<a<<endl; } for(int i = a;i<=z;i++) for(int i = z;i>=a;i--) for(int i = 1;i <= 100;i++){ cout<<i<<endl; } for(int i = 100;i>=1;i--) cout<<123;**/ //1 -n 个字母 int n,m,num=0,g,s,b,q; cin>>n; for(int i = 1;i<= n;i++){ cin>>m; g = m % 10; s = m / 10 % 10; b = m / 100 % 10; q = m / 1000; if(g-s-b-q>0){ num+=1; } } cout<<num; return 0; }