Submission #16246

#	Time	Username	Problem	Language	Result	Execution time	Memory
16246		eaststar	대표 선수 (KOI11_player)	C++14	20 / 20	274 ms	8900 KiB

player

#include <stdio.h>
#include <algorithm>
using namespace std;
struct Data{
    int c,p;
    bool operator<(const Data&r)const{
        return p<r.p;
    }
}a[1000010];
int chk[1010],ans=1<<30,f=0,r=-1,flag;
int main(){
    int i,j,n,m,t;
    scanf("%d%d",&n,&m);
    for(i=0;i<n;++i){
        for(j=0;j<m;++j){
            scanf("%d",&a[i*m+j].p);
            a[i*m+j].c=i+1;
        }
    }
    std::sort(a,a+n*m);
    while(r<n*m-1){
        if(flag==n){
            ans=min(ans,a[r].p-a[f].p);
            chk[a[f].c]--;
            if(!chk[a[f].c])flag--;
            ++f;
        }
        else{
            chk[a[++r].c]++;
            if(chk[a[r].c]==1)flag++;
        }
    }
    printf("%d",ans);
    return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 6 / 6
• Subtask 3: 10 / 10