实在找不出哪里要改QAQ

code:

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

int main(){
    int s,x,sum=0;
    cin>>s>>x;
    int c[s];
    for(int i=0;i<s;i++){
    	cin>>c[i];
	}
	for(int i=1;i<s;i+=2){
		if(c[i]+c[i-1]>x||c[i]+c[i+1]>x){
			sum+=max((c[i]+c[i-1])-x,(c[i]+c[i+1])-x);
			c[i]-=max((c[i]+c[i-1])-x,(c[i]+c[i+1])-x);
		}
	}
    cout<<sum;
    return 0;
}

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