Submission #10093

#	Time	Username	Problem	Language	Result	Execution time	Memory
10093		gs14004	대표 선수 (KOI11_player)	C++98	20 / 20	292 ms	13504 KiB

player

#include <cstdio>
#include <algorithm>
#include <utility>
#include <vector>
using namespace std;
typedef pair<int,int> pi;

vector<pi> a;
int n,m;
int v[1005], cnt;

int main(){
    int t;
    scanf("%d %d",&n,&m);
    for (int i=0; i<n; i++) {
        for (int j=0; j<m; j++) {
            scanf("%d",&t);
            a.push_back(pi(t,i+1));
        }
    }
    sort(a.begin(),a.end());
    int ep = 0;
    int res = 1e9;
    for (int i=0; i<a.size(); i++) {
        while (cnt < n && ep < a.size()) {
            if(v[a[ep].second] == 0) cnt++;
            v[a[ep].second]++;
            ep++;
        }
        if(ep == a.size()) break;
        res = min(res,a[ep-1].first - a[i].first);
        if(v[a[i].second] == 1) cnt--;
        v[a[i].second]--;
    }
    printf("%d",res);
}

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