# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
590315 | AlperenT | 저울 (IOI15_scales) | C++17 | 1098 ms | 412 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include "scales.h"
using namespace std;
const int INF = 1e8 + 5;
void init(int T) {
/* ... */
}
struct Rule{
int rt, x;
vector<int> param;
bool operator < (const Rule &sc) const{
return false;
}
};
vector<Rule> currules;
int findcnt(){
int ans = 0;
vector<int> v = {0, 1, 2, 3, 4, 5};
// vector<int> v = {3, 2, 1, 3, 4, 5};
do{
bool flag = true;
for(auto rule : currules){
if(!flag) break;
if(rule.rt == 1){
int a = rule.param[0], b = rule.param[1], c = rule.param[2];
if(min({v[a], v[b], v[c]}) == v[rule.x]) continue;
else flag = false;
}
else if(rule.rt == 2){
int a = rule.param[0], b = rule.param[1], c = rule.param[2];
if(min({v[a], v[b], v[c]}) != v[rule.x] && max({v[a], v[b], v[c]}) != v[rule.x]) continue;
else flag = false;
}
else if(rule.rt == 3){
int a = rule.param[0], b = rule.param[1], c = rule.param[2];
if(max({v[a], v[b], v[c]}) == v[rule.x]) continue;
else flag = false;
}
else if(rule.rt == 4){
int a = rule.param[0], b = rule.param[1], c = rule.param[2], d = rule.param[3];
vector<int> v2;
if(v[a] > v[d]) v2.push_back(a);
if(v[b] > v[d]) v2.push_back(b);
if(v[c] > v[d]) v2.push_back(c);
if(v2.empty()){
if(min({v[a], v[b], v[c]}) == v[rule.x]) continue;
else flag = false;
}
else{
int mn = INF;
for(auto x : v2) mn = min(mn, v[x]);
if(v[rule.x] == mn) continue;
else flag = false;
}
}
}
if(flag) ans++;
}while(next_permutation(v.begin(), v.end()));
return ans == 0 ? INF : ans;
}
void orderCoins(){
currules.clear();
vector<pair<int, Rule>> posrules;
while(true){
posrules.clear();
for(int t = 1; t <= 3; t++){
for(int a = 0; a < 6; a++){
for(int b = a + 1; b < 6; b++){
for(int c = b + 1; c < 6; c++){
int sum = 0, noinfcnt = 0;
currules.push_back({t, a, {a, b, c}});
int x = findcnt();
if(x != INF) sum += x, noinfcnt++;
sum += findcnt();
currules.pop_back();
currules.push_back({t, b, {a, b, c}});
x = findcnt();
if(x != INF) sum += x, noinfcnt++;
currules.pop_back();
currules.push_back({t, c, {a, b, c}});
x = findcnt();
if(x != INF) sum += x, noinfcnt++;
currules.pop_back();
posrules.push_back({noinfcnt == 0 ? INF : sum / noinfcnt, {t, -1, {a, b, c}}});
}
}
}
}
// for(int a = 0; a < 6; a++){
// for(int b = a + 1; b < 6; b++){
// for(int c = b + 1; c < 6; c++){
// for(int d = 0; d < 6; d++){
// if(a != b && a != c && a != d && b != c && b != d && c != d){
// int sum = 0, noinfcnt = 0;
// currules.push_back({4, a, {a, b, c, d}});
// int x = findcnt();
// if(x != INF) sum += x, noinfcnt++;
// currules.pop_back();
// currules.push_back({4, b, {a, b, c, d}});
// x = findcnt();
// if(x != INF) sum += x, noinfcnt++;
// currules.pop_back();
// currules.push_back({4, c, {a, b, c, d}});
// x = findcnt();
// if(x != INF) sum += x, noinfcnt++;
// currules.pop_back();
// posrules.push_back({noinfcnt == 0 ? INF : sum / noinfcnt, {4, -1, {a, b, c, d}}});
// }
// }
// }
// }
// }
auto p = *min_element(posrules.begin(), posrules.end());
if(p.first == 1){
auto rule = p.second;
if(rule.rt == 1){
int x = getLightest(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1);
currules.push_back({1, x - 1, {rule.param[0], rule.param[1], rule.param[2]}});
}
else if(rule.rt == 2){
int x = getMedian(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1);
currules.push_back({2, x - 1, {rule.param[0], rule.param[1], rule.param[2]}});
}
else if(rule.rt == 3){
int x = getHeaviest(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1);
currules.push_back({3, x - 1, {rule.param[0], rule.param[1], rule.param[2]}});
}
else if(rule.rt == 4){
int x = getNextLightest(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1, rule.param[3] + 1);
currules.push_back({4, x - 1, {rule.param[0], rule.param[1], rule.param[2], rule.param[3]}});
}
break;
}
else{
auto rule = p.second;
if(rule.rt == 1){
int x = getLightest(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1);
currules.push_back({1, x - 1, {rule.param[0], rule.param[1], rule.param[2]}});
}
else if(rule.rt == 2){
int x = getMedian(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1);
currules.push_back({2, x - 1, {rule.param[0], rule.param[1], rule.param[2]}});
}
else if(rule.rt == 3){
int x = getHeaviest(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1);
currules.push_back({3, x - 1, {rule.param[0], rule.param[1], rule.param[2]}});
}
else if(rule.rt == 4){
int x = getNextLightest(rule.param[0] + 1, rule.param[1] + 1, rule.param[2] + 1, rule.param[3] + 1);
currules.push_back({4, x - 1, {rule.param[0], rule.param[1], rule.param[2], rule.param[3]}});
}
}
}
vector<int> v = {0, 1, 2, 3, 4, 5};
do{
bool flag = true;
for(auto rule : currules){
if(!flag) break;
if(rule.rt == 1){
int a = rule.param[0], b = rule.param[1], c = rule.param[2];
if(min({v[a], v[b], v[c]}) == v[rule.x]) continue;
else flag = false;
}
else if(rule.rt == 2){
int a = rule.param[0], b = rule.param[1], c = rule.param[2];
if(min({v[a], v[b], v[c]}) != v[rule.x] && max({v[a], v[b], v[c]}) != v[rule.x]) continue;
else flag = false;
}
else if(rule.rt == 3){
int a = rule.param[0], b = rule.param[1], c = rule.param[2];
if(max({v[a], v[b], v[c]}) == v[rule.x]) continue;
else flag = false;
}
else if(rule.rt == 4){
int a = rule.param[0], b = rule.param[1], c = rule.param[2], d = rule.param[3];
vector<int> v2;
if(v[a] > v[d]) v2.push_back(a);
if(v[b] > v[d]) v2.push_back(b);
if(v[c] > v[d]) v2.push_back(c);
if(v2.empty()){
if(min({v[a], v[b], v[c]}) == v[rule.x]) continue;
else flag = false;
}
else{
int mn = INF;
for(auto x : v2) mn = min(mn, v[x]);
if(v[rule.x] == mn) continue;
else flag = false;
}
}
}
if(flag){
vector<pair<int, int>> ansv;
for(int i = 0; i < 6; i++) ansv.push_back({v[i], i + 1});
sort(ansv.begin(), ansv.end());
int arr[6];
for(int i = 0; i < 6; i++) arr[i] = ansv[i].second;
answer(arr);
return;
}
}while(next_permutation(v.begin(), v.end()));
}
컴파일 시 표준 에러 (stderr) 메시지
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