POJ 3427 Ecology tax G++

#include <iostream>using namespace std;int main(){int NUM1;int NUM2;cin>>NUM1>>NUM2;int a[NUM1];for(int i=0;i<NUM1;i++){cin>>a[i];}int minjs=-1;int jg=0;for(int i=0;i<NUM2;i++){int js=0;for(int j=0;j<NUM1;j++){js=js+(a[j]+i)%NUM2;}if(minjs==-1){minjs=js;jg=i;}else if(minjs>js){minjs=js;jg=i;}}cout<<jg<<endl;return 0;}