#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n[2147483648],sum=0,i=0; cin>>n; while(n[i]=='\0') i++ for(int j=0;j<=i){ if(a[i]>sum) sum=a; } cout<<sum; return 0; }#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n[2147483648],sum=0,i=0; cin>>n; while(n[i]=='\0') i++ for(int j=0;j<=i){ if(a[i]>sum) sum=a; } cout<<sum; return 0; }