답안 #567532

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
567532 2022-05-23T16:28:13 Z hoanghq2004 코알라 (APIO17_koala) C++14
33 / 100
78 ms 332 KB
#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "koala.h"

using namespace __gnu_pbds;
using namespace std;

template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
////
//static int N, W;
//static int P[105];
//
//static int maxQueries = 3200;
//static int numQueries;
//
//static void runGame(int F);
//static void grader();
//
//void playRound(int *B, int *R) {
//    int i, j;
//
//    int S = 0;
//    for (i=0;i<N;++i) {
//        if ( !(B[i] >= 0 && B[i] <= W) ) {
//            printf("Invalid query.\n");
//            exit(0);
//        }
//        S += B[i];
//    }
//    if (S > W) {
//        printf("Invalid query.\n");
//        exit(0);
//    }
//
//    numQueries++;
//    if (numQueries > maxQueries) {
//        printf("Too many queries.\n");
//        exit(0);
//    }
//
//    int cache[2][205];
//    int num[2][205];
//    char taken[105][205];
//
//    for (i=0;i<205;++i) {
//        cache[1][i] = 0;
//        num[1][i] = 0;
//    }
//
//    for (i=0;i<N;++i) {
//        int v = B[i]+1;
//        int ii = i&1;
//        int o = ii^1;
//        for (j=0;j<=W;++j) {
//            cache[ii][j] = cache[o][j];
//            num[ii][j] = num[o][j];
//            taken[i][j] = 0;
//        }
//        for (j=W;j>=v;--j) {
//            int h = cache[o][j-v] + P[i];
//            int hn = num[o][j-v] + 1;
//            if (h > cache[ii][j] || (h == cache[ii][j] && hn > num[ii][j])) {
//                cache[ii][j] = h;
//                num[ii][j] = hn;
//                taken[i][j] = 1;
//            } else {
//                taken[i][j] = 0;
//            }
//        }
//    }
//
//    int cur = W;
//    for (i=N-1;i>=0;--i) {
//        R[i] = taken[i][cur] ? (B[i] + 1) : 0;
//        cur -= R[i];
//    }
//}

int minValue(int N, int W) {
    int B[105];
    int R[105];
    memset(B, 0, sizeof(B));
    memset(R, 0, sizeof(R));
    B[0] = 1;
    playRound(B, R);
    for (int i = 0; i < N; ++i)
        if (R[i] == 0) return i;
    return 0;
}

int maxValue(int N, int W) {
    vector <int> cands;
    for (int i = 0; i < N; ++i) cands.push_back(i);
    while (cands.size() > 1) {
        int B[105];
        int R[105];
        memset(B, 0, sizeof(B));
        memset(R, 0, sizeof(R));
        for (auto x: cands) B[x] = W / cands.size();
        playRound(B, R);
        vector <int> ncands;
        int maxi = *max_element(R, R + N);
        for (auto x: cands)
            if (R[x] == maxi) ncands.push_back(x);
        swap(cands, ncands);
    }
    return cands[0];
}

int greaterValue(int N, int W) {
    assert(W == 100);
    int lo = 0, hi = 8;
    while (lo <= hi) {
        int mid = lo + hi >> 1;
        int B[105];
        int R[105];
        memset(B, 0, sizeof(B));
        memset(R, 0, sizeof(R));
        B[0] = B[1] = mid;
        int r = 0;
        for (int i = 2; i < N; ++i) B[i] = r;
        playRound(B, R);
        int ok0 = (R[0] > mid);
        int ok1 = (R[1] > mid);
        if (ok0 ^ ok1) return (ok0 ? 0 : 1);
//        cout << lo << ' ' << hi << "aaaaa\n";
//        cout << lo << ' ' << hi << ' ' << mid << ' ' << ok0 << ' ' << ok1 << '\n';
        if (!ok0) hi = mid - 1;
        else lo = mid + 1;
    }
//    return 0;
    assert(0);
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        // TODO: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}
//
//int main() {
//    grader();
//    return 0;
//}
//
//
//static void runGame(int F) {
//    int i;
//
//    scanf("%d %d",&N,&W);
//    for (i=0;i<N;++i) {
//        scanf("%d",&P[i]);
//    }
//
//    numQueries = 0;
//    if (F == 1) {
//        printf("%d\n", minValue(N, W));
//    } else if (F == 2) {
//        printf("%d\n", maxValue(N, W));
//    } else if (F == 3) {
//        printf("%d\n", greaterValue(N, W));
//    } else if (F == 4) {
//        int userP[105];
//        allValues(N, W, userP);
//        for (i=0;i<N;i++) {
//            printf("%d ",userP[i]);
//        }
//        printf("\n");
//    }
//    printf("Made %d calls to playRound.\n", numQueries);
//}
//
//static void grader() {
//    int i;
//
//    int F, G;
//    scanf("%d %d",&F,&G);
//
//    for (i=0;i<G;i++) {
//        runGame(F);
//    }
//}

Compilation message

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:118:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  118 |         int mid = lo + hi >> 1;
      |                   ~~~^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 4 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 4 ms 316 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 208 KB Output is correct
2 Correct 14 ms 208 KB Output is correct
3 Correct 16 ms 316 KB Output is correct
4 Correct 13 ms 316 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Partially correct 65 ms 328 KB Output is partially correct
2 Partially correct 77 ms 328 KB Output is partially correct
3 Partially correct 66 ms 316 KB Output is partially correct
4 Partially correct 65 ms 328 KB Output is partially correct
5 Partially correct 78 ms 320 KB Output is partially correct
6 Partially correct 63 ms 332 KB Output is partially correct
7 Partially correct 62 ms 324 KB Output is partially correct
8 Partially correct 64 ms 324 KB Output is partially correct
9 Partially correct 64 ms 328 KB Output is partially correct
10 Partially correct 64 ms 328 KB Output is partially correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -