Submission #1503020
Source Code Expand
// need
#include <iostream>
#include <algorithm>
// data structure
#include <bitset>
//#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
//#include <array>
//#include <tuple>
//#include <unordered_map>
#include <unordered_set>
#include <complex>
//#include <deque>
#include<valarray>
// stream
//#include <istream>
//#include <sstream>
//#include <ostream>
#include <fstream>
// etc
#include <cmath>
#include <cassert>
#include <functional>
#include <iomanip>
//#include <typeinfo>
#include <chrono>
#include <random>
#include <numeric>
#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }
template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest&...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }
#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int i=0; i<n; ++i){MACRO_VEC_ROW_Scan(i, __VA_ARGS__);}
template<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest&...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }
template<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest&...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }
#define OUT(d) std::cout<<d;
#define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<d;
#define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<d;
#define SP std::cout<<" ";
#define TAB std::cout<<"\t";
#define BR std::cout<<"\n";
#define SPBR(i, n) std::cout<<(i + 1 == n ? '\n' : ' ');
#define ENDL std::cout<<std::endl;
#define FLUSH std::cout<<std::flush;
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i;
#define ALL(a) (a).begin(),(a).end()
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)
#define REP(i, n) for(int i=0;i<int(n);++i)
#define RREP(i, n) for(int i=int(n)-1;i>=0;--i)
#define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i)
#define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i)
#define REPLL(i, n) for(ll i=0;i<ll(n);++i)
#define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i)
#define IN(a, x, b) (a<=x && x<b)
#define SHOW(d) {std::cerr << #d << "\t:" << d << "\n";}
#define SHOWVECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOWVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << " ";}std::cerr << "\n";}}
#define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.front() << " ";tmp.pop();}std::cerr << "\n";}
template<typename T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; }
template<typename T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }
#define EXCEPTION(msg) throw std::string("Exception : " msg " [ in ") + __func__ + " : " + std::to_string(__LINE__) + " lines ]"
#define TRY(cond, msg) try {if (cond) EXCEPTION(msg);}catch (std::string s) {std::cerr << s << std::endl;}
void CHECKTIME(std::function<void()> f) { auto start = std::chrono::system_clock::now(); f(); auto end = std::chrono::system_clock::now(); auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start)).count(); std::cerr << "[Time:" << res << "ns (" << res / (1.0e9) << "s)]\n"; }
template<typename S, typename T>
std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {
os << "(" << p.first << ", " << p.second << ")";
return os;
}
#define int ll
using ll = long long;
using ull = unsigned long long;
using PAIR = std::pair<int, int>;
using PAIRLL = std::pair<ll, ll>;
constexpr int INFINT = 1 << 30; // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60; // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18
constexpr double EPS = 1e-7;
constexpr int MOD = 1000000007;
constexpr double PI = 3.141592653589793238462643383279;
int dy4[] = { -1, 0, 1, 0 };
int dx4[] = { 0, 1, 0, -1 };
signed main() {
INIT;
VAR(int, h, w, k);
MAT(char, s, h, w);
std::vector<std::vector<int>> a(h, std::vector<int>(w));
REP(i, h) REP(j, w) {
a[i][j] = s[i][j] - '0';
}
std::vector<std::vector<PAIR>> ans;
struct P { int a, y, x; bool operator<(const P& r)const { return a < r.a; } };
std::priority_queue<P> PQ;
REP(i, h) REP(j, w) PQ.push(P{ a[i][j], i, j });
while(!PQ.empty()) {
P pp = PQ.top(); PQ.pop();
int i = pp.y;
int j = pp.x;
if (a[i][j] <= 0) continue;
std::priority_queue<P> pq;
pq.push(P{ a[i][j], i, j });
std::set<PAIR> set;
std::set<PAIR> use;
set.insert(PAIR(i, j));
REP(_, k) {
if (pq.empty()) break;
P p = pq.top(); pq.pop();
use.insert(PAIR(p.y, p.x));
REP(d, 4) {
int dy = p.y + dy4[d];
int dx = p.x + dx4[d];
if (!IN(0, dy, h) || !IN(0, dx, w)) continue;
if (a[dy][dx] == 0) continue;
if (set.find(PAIR(dy, dx)) != set.end()) continue;
pq.push(P{ a[dy][dx], dy, dx });
set.insert(PAIR(dy, dx));
}
}
if (use.size() == k) {
std::vector<PAIR> v;
for (auto x : use) {
v.emplace_back(x);
REP(d, 4) {
int dy = x.first + dy4[d];
int dx = x.second + dx4[d];
if (!IN(0, dy, h) || !IN(0, dx, w)) continue;
a[dy][dx] = 0;
}
}
ans.emplace_back(v);
}
}
OUT(ans.size())BR;
REP(i, ans.size()) {
REP(j, k) {
OUT(ans[i][j].first + 1)SP OUT(ans[i][j].second + 1)BR;
}
}
return 0;
}
Submission Info
Submission Time |
|
Task |
A - Multiple Pieces |
User |
satanic0258 |
Language |
C++14 (GCC 5.4.1) |
Score |
702787 |
Code Size |
6125 Byte |
Status |
AC |
Exec Time |
2 ms |
Memory |
512 KB |
Judge Result
Set Name |
test_01 |
test_02 |
test_03 |
test_04 |
test_05 |
test_06 |
test_07 |
test_08 |
test_09 |
test_10 |
Score / Max Score |
68912 / 1343058 |
67700 / 1343058 |
69990 / 1343058 |
65546 / 1343058 |
80129 / 1343058 |
68653 / 1343058 |
72024 / 1343058 |
66055 / 1343058 |
73385 / 1343058 |
70393 / 1343058 |
Status |
|
|
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Set Name |
Test Cases |
test_01 |
subtask_01_01.txt |
test_02 |
subtask_01_02.txt |
test_03 |
subtask_01_03.txt |
test_04 |
subtask_01_04.txt |
test_05 |
subtask_01_05.txt |
test_06 |
subtask_01_06.txt |
test_07 |
subtask_01_07.txt |
test_08 |
subtask_01_08.txt |
test_09 |
subtask_01_09.txt |
test_10 |
subtask_01_10.txt |
Case Name |
Status |
Exec Time |
Memory |
subtask_01_01.txt |
AC |
2 ms |
460 KB |
subtask_01_02.txt |
AC |
2 ms |
512 KB |
subtask_01_03.txt |
AC |
2 ms |
460 KB |
subtask_01_04.txt |
AC |
2 ms |
512 KB |
subtask_01_05.txt |
AC |
2 ms |
460 KB |
subtask_01_06.txt |
AC |
2 ms |
460 KB |
subtask_01_07.txt |
AC |
2 ms |
512 KB |
subtask_01_08.txt |
AC |
2 ms |
512 KB |
subtask_01_09.txt |
AC |
2 ms |
460 KB |
subtask_01_10.txt |
AC |
2 ms |
512 KB |