oj.uz

답안 #49622

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
49622 2018-06-01T06:10:25 Z mra2322001 운세 보기 2 (JOI14_fortune_telling2) C++14
0 / 100
 1843 ms 30464 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;
                        }
                    }
                }
                else{
                    if(max(save[j].first, save[j].second)){
                        if(save[j].first){
                            if(y==2) 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 3 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 113 ms 2280 KB Output is correct
2 Correct 184 ms 4000 KB Output is correct
3 Correct 299 ms 5996 KB Output is correct
4 Correct 518 ms 7760 KB Output is correct
5 Correct 437 ms 7760 KB Output is correct
6 Correct 92 ms 7760 KB Output is correct
7 Correct 1843 ms 7888 KB Output is correct
8 Correct 67 ms 7888 KB Output is correct
9 Correct 61 ms 7888 KB Output is correct
10 Correct 94 ms 7888 KB Output is correct
11 Correct 294 ms 7888 KB Output is correct
12 Correct 61 ms 7888 KB Output is correct
13 Incorrect 1063 ms 7888 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 66 ms 30464 KB Output isn't correct
2 Halted 0 ms 0 KB -