#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
#ifndef WAIMAI
#include "koala.h"
#endif // WAIMAI
#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif
#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second
#ifdef WAIMAI
void playRound(int *B, int *R);
#endif // WAIMAI
const int SIZE = 105;
int a[SIZE], b[SIZE];
int minValue(int N, int W) {
a[0] = 1;
fill(a + 1, a + N, 0);
playRound(a, b);
FOR (i, 0, N - 1) if (b[i] == 0) return i;
}
int maxValue(int N, int W) {
vector<int> big(N);
iota(big.begin(), big.end(), 0);
while (big.size() > 1) {
int w = W / big.size();
fill(a, a + N, 0);
for (int p : big) a[p] = w;
playRound(a, b);
vector<int> tmp;
for (int p : big) if (b[p] > a[p]) tmp.pb(p);
big = tmp;
debug(big.size());
}
if (big.size() == 0) return -1;
return big[0];
}
int greaterValue(int N, int W, int p1, int p2) {
int l = 0, r = W / 8;
while (l < r) {
int mid = (l + r) / 2;
fill(a, a + N, 0);
a[p1] = a[p2] = mid;
playRound(a, b);
bool big1 = b[p1] > a[p1], big2 = b[p2] > a[p2];
if (big1 && big2) l = mid + 1;
else if (!big1 && !big2) r = mid - 1;
else return big1 ? p1 : p2;
}
}
int greaterValue(int N, int W) {
return greaterValue(N, W, 0, 1);
}
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.
}
}
/*
in1
1 1
6 6 5 3 2 1 6 4
out1
3
in2
2 1
6 6 5 3 2 1 6 4
out2
4
in3
3 1
6 6
5 3 2 1 6 4
out3
0
in4
4 1
6 12 5 3 2 1 6 4
in5
4 1
6 6 5 3 2 1 6 4
*/
#ifdef WAIMAI
static int N, W;
static int P[105];
static int maxQueries = 3200;
static int numQueries;
static void runGame(int F);
static void grader();
int main() {
grader();
return 0;
}
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];
}
}
static void runGame(int F) {
int i;
scanf("%d %d",&N,&W);
printf("random?\n");
int x;
scanf("%d", &x);
if (x == 1) {
printf("random array = ");
mt19937 rng(time(NULL));
iota(P, P + N, 1);
shuffle(P, P + N, rng);
for (int i = 0; i < N; i++) printf("%d ", P[i]);
printf("\n");
} else {
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);
}
}
#endif // WAIMAI
Compilation message
koala.cpp: In function 'int maxValue(int, int)':
koala.cpp:16:20: warning: statement has no effect [-Wunused-value]
16 | #define debug(...) 7122
| ^~~~
koala.cpp:52:9: note: in expansion of macro 'debug'
52 | debug(big.size());
| ^~~~~
koala.cpp: In function 'int minValue(int, int)':
koala.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
39 | }
| ^
koala.cpp: In function 'int greaterValue(int, int, int, int)':
koala.cpp:70:1: warning: control reaches end of non-void function [-Wreturn-type]
70 | }
| ^
| # |
Verdict |
Execution time |
Memory |
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 |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
208 KB |
Output is correct |
| 2 |
Correct |
12 ms |
208 KB |
Output is correct |
| 3 |
Correct |
14 ms |
208 KB |
Output is correct |
| 4 |
Correct |
12 ms |
324 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
45 ms |
324 KB |
Output is correct |
| 2 |
Partially correct |
49 ms |
328 KB |
Output is partially correct |
| 3 |
Correct |
44 ms |
316 KB |
Output is correct |
| 4 |
Correct |
49 ms |
328 KB |
Output is correct |
| 5 |
Partially correct |
45 ms |
320 KB |
Output is partially correct |
| 6 |
Correct |
47 ms |
324 KB |
Output is correct |
| 7 |
Partially correct |
49 ms |
328 KB |
Output is partially correct |
| 8 |
Correct |
44 ms |
456 KB |
Output is correct |
| 9 |
Correct |
42 ms |
336 KB |
Output is correct |
| 10 |
Correct |
47 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
