#include<bits/stdc++.h>
using namespace std;
pair<int,int> process(vector<int> S){
int L=-1,R=-1,flag = 1;
for(int i=0;i<(int)S.size();i++){
if(!S[i] && L==-1){
L = i; R = i;
}
else if(!S[i] && R==i-1){
R=i;
}
else if(!S[i]){
flag = 0;
}
}
if(!flag) return make_pair(-2,-2);
return make_pair(L,R);
}
int check_Left(vector<int> List){
int answer=1,down=0,flag = 0, Last = -1 , next_level = 0;
for(int i:List){
if(i==-2) answer=0;
else if(i==-1 && Last!=-1) flag = 1;
else{
if(flag) answer = 0;
if(Last==-1) Last = i;
else{
if(i>Last && next_level==0) next_level = 1;
else if(i<Last && next_level==1) answer = 0;
}
Last = i;
}
}
if(down > 1 || answer==0) return 0;
else return 1;
}
int check_Right(vector<int> List){
int answer=1,down=0,flag = 0, Last = -1 , next_level = 0;
for(int i:List){
if(i==-2) answer=0;
else if(i==-1 && Last!=-1) flag = 1;
else{
if(flag) answer = 0;
if(Last==-1) Last = i;
else{
if(i<Last && next_level==0) next_level = 1;
else if(i>Last && next_level==1) answer = 0;
}
Last = i;
}
}
if(down > 1 || answer==0) return 0;
else return 1;
}
int main(){
vector<int> T = {1,1,0,0,0,1,1,1,1};
pair<int,int> s = process(T);
cout << s.first << " " << s.second << "\n";
vector<int> T2 = {8,6,4,2,3,-1,5,6};
cout << check_Left(T2);
}
Compilation message
/usr/bin/ld: /tmp/ccfrmwNK.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccBgGJnL.o:soccer.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccfrmwNK.o: in function `main':
grader.cpp:(.text.startup+0x4ac): undefined reference to `biggest_stadium(int, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status
