Submission #13974

#	Time	Username	Problem	Language	Result	Execution time	Memory
13974		gs14004	정전 (OJUZ10_blackout)	C++14	20 / 100	140 ms	10976 KiB

blackout

#include <cstdio>
#include <map>
using namespace std;

map<int,int> mp;
int a[100005];

int main(){
    int n,l;
    scanf("%d %d",&n,&l);
    for (int i=0; i<n; i++) {
        scanf("%d",&a[i]);
        mp[a[i]-l]++;
        mp[a[i]+l]--;
    }
    int hi = 0, ret = 0;
    auto it = mp.begin();
    for (auto &i : mp){
        hi += i.second;
        it++;
        if(hi > 1 && it != mp.end()) ret += it->first - i.first;
    }
    printf("%d",ret);
}

• Subtask 1: 0 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40