oj.uz

Submission #738949

# Submission time Handle Problem Language Result Execution time Memory
738949 2023-05-09T17:10:25 Z myrcella Koala Game (APIO17_koala) C++17
47 / 100
 60 ms 444 KB 
//by szh
#include<bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

#include "koala.h"

int minValue(int N, int W) {
	int b[111];
	b[0] = 1;
	rep(i,1,N) b[i] = 0;
	int a[111];
	playRound(b,a);
	rep(i,0,N) if (a[i]<=b[i]) return i;
	assert(1==2);
    // TODO: Implement Subtask 1 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
}

int maxValue(int N, int W) {
	int n=N;
	int a[111],b[111];
	rep(i,0,n) a[i] = 1;
	playRound(a,b);
	int a2[111],b2[111];
	rep(i,0,n) {
		if (b[i]<=a[i]) a2[i] = 0;
		else a2[i] = 2;
	}
	playRound(a2,b2);
	int a3[111],b3[111];
	rep(i,0,n) {
		if (a2[i]==0 or b2[i]<=a2[i]) a3[i] = 0;
		else a3[i] = 4;
	}
	playRound(a3,b3);
	int a4[111],b4[111];
	rep(i,0,n) {
		if (a3[i]==0 or b3[i]<=a3[i]) a4[i] = 0;
		else a4[i] = 11;
	}
	playRound(a4,b4);
	rep(i,0,n) if (a4[i]!=0 and b4[i]>a4[i]) return i;
	assert(1==2);
    // TODO: Implement Subtask 2 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    return 0;
}

int mx = 0,mn=100;

set <int> s;

int greaterValue(int N, int W) {
	int l = 1,r = 14;
	while (l<=r) {
//		cout<<l<<" "<<r<<endl;
		int mid = l+r>>1;
		int a[111],b[111];
		a[0] = a[1] = mid;
		rep(i,2,N) a[i] = 0;
		playRound(a,b);
		if (a[0]<b[0] and a[1]<b[1]) l = mid+1;
		else if (a[0]>=b[0] and a[1]>=b[1]) r = mid-1;
		else {
			if (a[0]<b[0]) return 0;
			else return 1;
		}
	}
	assert(1==2);
    // TODO: Implement Subtask 3 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    return 0;
}

int ohno[111][111];

bool cmp(int x,int y) {
	if (ohno[x][y]!=-1) {
		assert(ohno[x][y]+ohno[y][x]==1);
		return ohno[x][y];
	}
	int a[111],b[111];
	rep(i,0,100) {
		if (i==x or i==y) a[i] = 100;
		else a[i] = 0;
	}
	playRound(a,b);
	rep(i,0,100) {
		if (i==x or i==y) continue;
		if (b[y]>100 and ohno[i][x]==1) ohno[i][y]=1,ohno[y][i]=0; //x<y
		if (b[y]>100 and ohno[y][i]==1) ohno[x][i]=1,ohno[i][x]=0;
		if (a[y]>100 and ohno[i][y]==1) ohno[i][x]=1,ohno[x][i]=0;//x>y
		if (a[y]>100 and ohno[x][i]==1) ohno[y][i]=1,ohno[i][y]=0;
	}
	ohno[x][y] = (b[y]>100);
	ohno[y][x] = (b[x]>100);
	return b[y]>100;
}

void msort(int l,int r,int *a) {
	if (l>=r) return;
	int mid=l+r>>1;
	msort(l,mid,a);msort(mid+1,r,a);
	vector <int> tmp;
	int cur1=l,cur2=mid+1;
	while (cur1<=mid and cur2<=r) if (cmp(a[cur1],a[cur2])) tmp.pb(a[cur1++]);else tmp.pb(a[cur2++]);
	while (cur1<=mid) tmp.pb(a[cur1++]);
	while (cur2<=r) tmp.pb(a[cur2++]);
	rep(i,0,SZ(tmp)) a[l+i] = tmp[i];
	return;
}

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.
        memset(ohno,-1,sizeof(ohno));
        int n = N;
        int a[111];
        rep(i,0,n) a[i] = i;
        msort(0,n-1,a);
        rep(i,0,n) P[a[i]] = i+1;
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

Compilation message

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:78:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   78 |   int mid = l+r>>1;
      |             ~^~
koala.cpp: In function 'void msort(int, int, int*)':
koala.cpp:124:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  124 |  int mid=l+r>>1;
      |          ~^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 208 KB Output is correct
2 Correct 4 ms 320 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 4 ms 320 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 324 KB Output is correct
2 Correct 12 ms 320 KB Output is correct
3 Correct 13 ms 324 KB Output is correct
4 Correct 16 ms 208 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 332 KB Output is correct
2 Correct 60 ms 324 KB Output is correct
3 Correct 47 ms 328 KB Output is correct
4 Correct 57 ms 340 KB Output is correct
5 Correct 45 ms 444 KB Output is correct
6 Correct 45 ms 324 KB Output is correct
7 Correct 45 ms 336 KB Output is correct
8 Correct 41 ms 344 KB Output is correct
9 Correct 49 ms 432 KB Output is correct
10 Correct 45 ms 328 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 336 KB Output is correct
2 Correct 32 ms 356 KB Output is correct
3 Correct 29 ms 336 KB Output is correct
4 Correct 29 ms 336 KB Output is correct
5 Correct 32 ms 336 KB Output is correct
6 Correct 31 ms 340 KB Output is correct
7 Correct 38 ms 360 KB Output is correct
8 Correct 29 ms 336 KB Output is correct
9 Correct 28 ms 340 KB Output is correct
10 Correct 28 ms 336 KB Output is correct
11 Correct 27 ms 336 KB Output is correct
12 Correct 16 ms 336 KB Output is correct
13 Correct 29 ms 364 KB Output is correct
14 Correct 26 ms 336 KB Output is correct
15 Correct 34 ms 336 KB Output is correct
16 Correct 25 ms 364 KB Output is correct
17 Correct 24 ms 336 KB Output is correct
18 Correct 26 ms 360 KB Output is correct
19 Correct 25 ms 356 KB Output is correct
20 Correct 25 ms 360 KB Output is correct

Subtask #5
0 / 53.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -