barn repair

#include<fstream>using namespace std;int main(){int i,j,k,m,s,c,start=1,minlength=0;int number[201],sort[200];ifstream fin ("barn1.in");ofstream fout ("barn1.out");fin>>m>>s>>c;for(i=1;i<=c;i++){fin>>number[i];}int temp;for(i=1;i<=c;i++){for(j=i+1;j<=c;j++){if(number[i]>number[j]){temp=number[i];number[i]=number[j];number[j]=temp;}}}for(i=1;i<=c-1;i++){sort[i]=number[i+1]-number[i];}for(i=1;i<=c-1;i++){for(j=i+1;j<=c-1;j++){if(sort[i]<sort[j]){temp=sort[i];sort[i]=sort[j];sort[j]=temp;}}}for(i=1;i<c;i++){for(j=1;j<=m-1;j++){if(sort[j]==number[i+1]-number[i])break;}if(j!=m){sort[j]=200;minlength+=number[i]-number[start]+1;start=i+1;}}minlength+=number[c]-number[start]+1;fout<<minlength<<endl;return 0;}