Submission #1301633

#	Time	Username	Problem	Language	Result	Execution time	Memory
1301633		tan	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;

int main()
{
    string s,p;
    int x=0,y=0;
    cin>>s>>p;
    char* a=&s[0];
    for(int i=0;i<p.length();i++){
        if(*a==p[0]){
            a++;
            y+=1;
        }else{
            a=&s[0];
            x=max(x,y);
            y=0;
        }
    }
    cout<<x;
    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccmFYU1v.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLDEB3s.o:combo.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccmFYU1v.o: in function `main':
grader.cpp:(.text.startup+0x4b): undefined reference to `guess_sequence[abi:cxx11](int)'
collect2: error: ld returned 1 exit status