oj.uz

답안 #49621

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
49621 2018-06-01T06:06:19 Z mra2322001 운세 보기 2 (JOI14_fortune_telling2) C++14
0 / 100
 1807 ms 30572 KB 
#include <bits/stdc++.h>
#define f0(i, n) for(int i=(0); i<n; i++)
#define f1(i, n) for(int i=(1); i<=n; i++)

using namespace std;
typedef long long ll;
const int N = 200002;

ll a[N], b[N], c[N], t[N][18];
int n, k, answer[N];

void rmq(){
    f1(i, k) t[i][0] = c[i];
    int l = log2(k);
    f1(j, l){
        int u = (1 << j);
        for(int i = 1; i <= n - u + 1; i++){
            t[i][j] = max(t[i][j - 1], t[i + (1 << (j - 1))][j - 1]);
        }
    }
}

int get1(int u, int v){
    int x = log2(v - u + 1);
    int res = max(t[u][x], t[v - (1 << x) + 1][x]);
    return res;
}

int Ans(int x){if(x==1) return 2;return 1;}
main(){
    ios_base::sync_with_stdio(0);

    cin >> n >> k;
    f1(i, n){
        cin >> a[i] >> b[i];
    }
    f1(i, k){
        cin >> c[i];
    }

    rmq();
    vector <pair <int, int> > save;
    f1(i, n){
        /// assume a[i] could be ans[1]
        /// find 1 and 2
        while(save.size()) save.pop_back();
        int k1 = k, k2 = k;
        while(1){
            int p1, p2;
            int l = 1, r = k1, ans = 0;
            while(l <= r){
                int mid = (l + r)/2;
                if(mid==0) break;
                if(get1(mid, k1) >= a[i]) ans = mid, l = mid + 1;
                else r = mid - 1;
            } p1 = ans;
            l = 1, r = k2, ans = 0;
            while(l <= r){
                int mid = (l + r)/2;
                if(mid==0) break;
                if(get1(mid, k2) >= b[i]) ans = mid, l = mid + 1;
                else r = mid - 1;
            } p2 = ans;
            save.push_back(make_pair(p1, p2));
            if(p1 != p2) break;
            if(p1==0) break;
            k1 = p1 - 1, k2 = p2 - 1;
        }
        int y = 2; /// now i belong to Ans(2)
        if(save.size() == 1){
            if(save[0].first > save[0].second) answer[i] = Ans(1);
            else answer[i] = Ans(2);
        }
        else{
            for(int j = save.size() - 1; j >= 0; j--){
                if(min(save[j].first, save[j].second)){
                    if(save[j].first==save[j].second){
                        if(y==2) y = 1;
                        else y = 2;
                    }
                    else{
                        if(save[j].first > save[j].second){
                            y = 1;
                        }
                        else{
                            y = 2;
                        }
                    }
                }
            }
            answer[i] = Ans(y);
        }
    }
    ll res = 0;
    f1(i, n){
        if(answer[i]==2) res += b[i];
        else res += a[i];
    }
    cout << res;
}

Compilation message

fortune_telling2.cpp:30:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 2280 KB Output is correct
2 Correct 320 ms 4004 KB Output is correct
3 Correct 369 ms 5988 KB Output is correct
4 Correct 400 ms 7652 KB Output is correct
5 Correct 444 ms 7944 KB Output is correct
6 Correct 95 ms 7944 KB Output is correct
7 Correct 1807 ms 7988 KB Output is correct
8 Correct 81 ms 7988 KB Output is correct
9 Correct 60 ms 7988 KB Output is correct
10 Correct 97 ms 7988 KB Output is correct
11 Correct 285 ms 7988 KB Output is correct
12 Correct 59 ms 7988 KB Output is correct
13 Incorrect 1063 ms 7988 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 97 ms 30572 KB Output isn't correct
2 Halted 0 ms 0 KB -