#include <bits/stdc++.h>
#include "scales.h"
using namespace std;
void init(int T) {
}
void answer(vector<int> v) {
int resp[6];
for (int i = 0; i < 6; i++) {
resp[i] = v[i];
}
answer(resp);
}
void orderCoins() {
vector<int> a = {0, 1, 2, 3};
vector<int> b = {0, 4, 5, 6};
// queries 1, 2: sort first half
a[1] = getLightest(1, 2, 3);
a[3] = getHeaviest(1, 2, 3);
a[2] = 6 - a[1] - a[3];
// query 3: find median of second half
// (not sorting b[0] and b[2] yet)
b[2] = getMedian(4, 5, 6);
if (b[2] == 4) {
b[1] = 5; b[3] = 6;
} else if (b[2] == 5) {
b[1] = 4; b[3] = 6;
} else {
b[1] = 4; b[3] = 5;
}
// queries 4, 5: find positions of b[1], b[3] relative to a[1], a[3]
// pos == 1 -- before a[1]
// pos == 2 -- between a[1] and a[3]
// pos == 3 -- after a[3]
int pos_1, pos_3;
int x_1 = getMedian(a[1], a[3], b[1]);
if (x_1 == a[1]) {
pos_1 = 1;
} else if (x_1 == a[3]) {
pos_1 = 3;
} else {
pos_1 = 2;
}
int x_3 = getMedian(a[1], a[3], b[3]);
if (x_3 == a[1]) {
pos_3 = 1;
} else if (x_3 == a[3]) {
pos_3 = 3;
} else {
pos_3 = 2;
}
// case: pos_1 == pos_3 in the border
if (pos_1 == pos_3 && pos_1 != 2) {
// query 6: sort b[1], b[3]
int x = getLightest(b[1], b[2], b[3]);
if (x == b[3]) {
swap(b[1], b[3]);
}
if (pos_1 == 1) {
answer({b[1], b[2], b[3], a[1], a[2], a[3]});
} else {
answer({a[1], a[2], a[3], b[1], b[2], b[3]});
}
return;
}
// case: pos_1 == pos_3 in the middle
if (pos_1 == pos_3 && pos_1 == 2) {
// a[1] ? ? ? ? a[3]
// query 6: find second number
int x = getLightest(b[1], b[3], a[2]);
if (x == a[2]) {
// a[1] a[2] ? ? ? a[3]
// query 7: sort b[]
int y = getLightest(b[1], b[2], b[3]);
if (y == b[3]) {
swap(b[1], b[2]);
}
answer({a[1], a[2], b[1], b[2], b[3], a[3]});
} else {
if (x == b[3]) {
swap(b[1], b[3]);
}
// a[1] b[1] ? ? ? a[3]
// qury 7: find pos of a[2] relative to b[2], b[3]
int y = getMedian(a[2], b[2], b[3]);
if (y == a[2]) {
answer({a[1], b[1], b[2], a[2], b[3], a[3]});
} else if (y == b[2]) {
answer({a[1], b[1], a[2], b[2], b[3], a[3]});
} else {
answer({a[1], b[1], b[2], b[3], a[2], a[3]});
}
}
return;
}
// now we can assume pos_1 != pos_3
if (pos_1 > pos_3) {
swap(pos_1, pos_3);
swap(b[1], b[3]);
}
// now I know for sure b[1] < b[2] < b[3]
if (pos_1 == 1 && pos_3 == 2) {
// b[1] a[1] b[3] a[3]
int x = getMedian(b[2], a[1], b[3]);
if (x == a[1]) {
// b[1] b[2] a[1] b[3] a[3]
int y = getMedian(b[3], a[2], a[3]);
if (y == b[3]) {
answer({b[1], b[2], a[1], a[2], b[3], a[3]});
} else {
answer({b[1], b[2], a[1], b[3], a[2], a[3]});
}
} else {
// b[1] a[1] b[2] b[3] a[3]
int y = getMedian(b[2], b[3], a[2]);
if (y == b[2]) {
answer({b[1], a[1], a[2], b[2], b[3], a[3]});
} else if (y == b[3]) {
answer({b[1], a[1], b[2], b[3], a[2], a[3]});
} else {
answer({b[1], a[1], b[2], a[2], b[3], a[3]});
}
}
} else if (pos_1 == 2 && pos_3 == 3) {
// a[1] b[1] a[3] b[3]
int x = getMedian(b[1], b[2], a[3]);
if (x == b[2]) {
// a[1] b[1] b[2] a[3] b[3]
int y = getMedian(a[2], b[1], b[2]);
if (y == b[1]) {
answer({a[1], a[2], b[1], b[2], a[3], b[3]});
} else if (y == a[2]) {
answer({a[1], b[1], a[2], b[2], a[3], b[3]});
} else {
answer({a[1], b[1], b[2], a[2], a[3], b[3]});
}
} else {
// a[1] b[1] a[3] b[2] b[3]
int y = getMedian(a[2], b[1], a[3]);
if (y == a[2]) {
answer({a[1], b[1], a[2], a[3], b[2], b[3]});
} else {
answer({a[1], a[2], b[1], a[3], b[2], b[3]});
}
}
} else {
// b[1] a[1] a[3] b[3]
int x = getMedian(a[1], b[2], a[3]);
if (x == a[1]) {
// b[1] b[2] a[1] a[3] b[3]
} else if (x == b[2]) {
// b[1] a[1] b[2] a[3] b[3]
int y = getMedian(a[1], b[2], a[2]);
if (y == a[2]) {
answer({b[1], a[1], a[2], b[2], a[3], b[3]});
} else {
answer({b[1], a[1], b[2], a[2], a[3], b[3]});
}
} else {
// b[1] b[2] a[1] a[3] b[3]
answer({b[1], b[2], a[1], a[2], a[3], b[3]});
}
}
}
| # | Verdict | Execution time | Memory | Grader output |
|---|
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