답안 #238244

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
238244 2020-06-10T11:20:05 Z b00n0rp Olympiads (BOI19_olympiads) C++17
100 / 100
61 ms 20720 KB
// --------------------------------------------------<TEMPLATE>--------------------------------------------------
// --------------------<optimizations>--------------------
#pragma GCC optimize("O3")
//(UNCOMMENT WHEN HAVING LOTS OF RECURSIONS)\
#pragma comment(linker, "/stack:200000000")
//(UNCOMMENT WHEN NEEDED)\
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math")\
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
// -------------------</optimizations>--------------------
 
// ---------------<Headers and namespaces>----------------
#include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <ratio>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
 
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace __gnu_pbds;
using namespace __gnu_cxx;
*/
 
// ---------------</Headers and namespaces>---------------
 
// -----------------<Defines and typedefs>----------------
// typedef tree<int,null_type,less<int>,rb_tree_tag, \
tree_order_statistics_node_update> indexed_set; // use less_equal for multiset
// order_of_key (val): returns the no. of values less than val
// find_by_order (k): returns the iterator to kth largest element.(0-based)
 
typedef long double LD;
typedef long long ll;
#define int ll
#define pb push_back
#define mp make_pair
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define all(v) v.begin(),v.end()
typedef map<int,int> mii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;
#define F first
#define S second
#define PQ(type) priority_queue<type>
#define PQD(type) priority_queue<type,vector<type>,greater<type> >
#define ITR :: iterator it
#define WL(t) while(t --)
#define SZ(x) ((int)(x).size())
#define runtime() ((double)clock() / CLOCKS_PER_SEC)
#define TR(container,it) for(typeof(container.begin()) it=container.begin();it!=container.end();it++)
#define sqr(x) ((x)*(x))
#define inrange(i,a,b) ((i>=min(a,b)) && (i<=max(a,b)))
 
// -----<SCANF>-----
#define sfi(x) scanf("%d",&x);
#define sfi2(x,y) scanf("%d%d",&x,&y);
#define sfi3(x,y,z) scanf("%d%d%d",&x,&y,&z);
 
#define sfl(x) scanf("%lld",&x);
#define sfl2(x,y) scanf("%lld%lld",&x,&y);
#define sfl3(x,y,z) scanf("%lld%lld%lld",&x,&y,&z);
#define sfl4(x,y,z,x1) scanf("%lld%lld%lld%lld",&x,&y,&z,&x1);
#define sfl5(x,y,z,x1,y1) scanf("%lld%lld%lld%lld%lld",&x,&y,&z,&x1,&y1);
#define sfl6(x,y,z,x1,y1,z1) scanf("%lld%lld%lld%lld%lld%lld",&x,&y,&z,&x1,&y1,&z1);
 
#define sfs(x) scanf("%s",x);
#define sfs2(x,y) scanf("%s%s",x,y);
#define sfs3(x,y,z) scanf("%s%s%s",x,y,z);
// ----</SCANF>-----
 
// ----<PRINTF>-----
#define pfi(x) printf("%d\n",x);
#define pfi2(x,y) printf("%d %d\n",x,y);
#define pfi3(x,y,z) printf("%d %d %d\n",x,y,z);
 
#define pfl(x) printf("%lld\n",x);
#define pfl2(x,y) printf("%lld %lld\n",x,y);
#define pfl3(x,y,z) printf("%lld %lld %lld\n",x,y,z);
 
#define pfs(x) printf("%s\n",x);
#define pfs2(x,y) printf("%s %s\n",x,y);
#define pfs3(x,y,z) printf("%s %s %s\n",x,y,z);
 
#define pwe(x) printf("%lld ",x); // print without end
// ----</PRINTF>----
 
#define FLSH fflush(stdout)
#define fileIO(name) \
    freopen(name".in", "r", stdin); \
    freopen(name".out", "w", stdout);
#define PRECISION(x) cout << fixed << setprecision(x); 
#define FAST_IO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
// ----------------</Defines and typedefs>----------------
 
// -------------------<Debugging stuff>-------------------
#define TRACE
 
#ifdef TRACE
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
	cerr << name << " : " << arg1 << std::endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
	const char* comma = strchr(names + 1, ',');cerr.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...);
}
#else
#define trace(...)
#endif
 
// ------------------</Debugging stuff>-------------------
 
// ------------------------<Consts>-----------------------
const int MAXN = 1000005;
const int SQRTN = 1003;
const int LOGN = 22;
const double PI=acos(-1);
 
#ifdef int
const int INF=1e16;
#else
const int INF=1e9;
#endif
 
const int MOD = 1000000007;
const int FMOD = 998244353;
const double eps = 1e-9;
 
// -----------------------</Consts>-----------------------
 
// -------------------------<RNG>-------------------------
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count()); 
#define SHUF(v) shuffle(all(v), RNG);
// Use mt19937_64 for 64 bit random numbers.
 
// ------------------------</RNG>-------------------------
 
// ----------------------<MATH>---------------------------
template<typename T> T gcd(T a, T b){return(b?__gcd(a,b):a);}
template<typename T> T lcm(T a, T b){return(a*(b/gcd(a,b)));}
int add(int a, int b, int c = MOD){int res=a+b;return(res>=c?res-c:res);}
int mod_neg(int a, int b, int c = MOD){int res;if(abs(a-b)<c)res=a-b;else res=(a-b)%c;return(res<0?res+c:res);}
int mul(int a, int b, int c = MOD){ll res=(ll)a*b;return(res>=c?res%c:res);}
int muln(int a, int b, int c = MOD){ll res=(ll)a*b;return ((res%c)+c)%c;}
ll mulmod(ll a,ll b, ll m = MOD){ll q = (ll)(((LD)a*(LD)b)/(LD)m);ll r=a*b-q*m;if(r>m)r%=m;if(r<0)r+=m;return r;}
template<typename T>T expo(T e, T n){T x=1,p=e;while(n){if(n&1)x=x*p;p=p*p;n>>=1;}return x;}
template<typename T>T power(T e, T n, T m = MOD){T x=1,p=e;while(n){if(n&1)x=mul(x,p,m);p=mul(p,p,m);n>>=1;}return x;}
template<typename T>T extended_euclid(T a, T b, T &x, T &y){T xx=0,yy=1;y=0;x=1;while(b){T q=a/b,t=b;b=a%b;a=t;\
t=xx;xx=x-q*xx;x=t;t=yy;yy=y-q*yy;y=t;}return a;}
template<typename T>T mod_inverse(T a, T n = MOD){T x,y,z=0;T d=extended_euclid(a,n,x,y);return(d>1?-1:mod_neg(x,z,n));}
 
const int FACSZ = 1; // Make sure to change this
 
int fact[FACSZ],ifact[FACSZ];
 
void precom(int c = MOD){
	fact[0] = 1;
	FOR(i,1,FACSZ) fact[i] = mul(fact[i-1],i,c);
	ifact[FACSZ-1] = mod_inverse(fact[FACSZ-1],c);
	REPD(i,FACSZ-1){
		ifact[i] = mul(i+1,ifact[i+1],c);
	}
}
 
int ncr(int n,int r,int c = MOD){
	return mul(mul(ifact[r],ifact[n-r],c),fact[n],c);
} 
// ----------------------</MATH>--------------------------
// --------------------------------------------------</TEMPLATE>--------------------------------------------------
 
void solvethetestcase();
 
signed main(){
	// (UNCOMMENT FOR CIN/COUT) \
	FAST_IO
	PRECISION(10)
 
	int t = 1;
	// (UNCOMMENT FOR MULTIPLE TEST CASES) \
	sfl(t);
	FOR(testcase,1,t+1){
		// (UNCOMMENT FOR CODEJAM) \
		printf("Case #%lld: ",testcase); 
		solvethetestcase();
	}
}   
 
int n,k,c;
vi a[505];
bool done[505];

int resolve(pair<pair<int,vi>,pair<int,vi> > u){
	int res = 0;
	REP(j,k){
		int mx = 0;
		REP(i,k){
			remax(mx,a[u.F.S[i]][j]);
		}
		res += mx;
	}
	return res;
}

void solvethetestcase(){
	sfl3(n,k,c)
	REP(i,n){
		REP(j,k){
			int x; sfl(x)
			a[i].pb(x);
		}
		done[i] = 0;
	}
	priority_queue<pair<pair<int,vi>,pair<int,vi> > > pq; // score,cur,force,banned
	pair<pair<int,vi>,pair<int,vi> > ini;
	ini.S.S.resize(n);
	REP(j,k){
		int b = -1;
		REP(i,n){
			if(done[i]) continue;
			if(b == -1 or a[b][j] < a[i][j]) b = i;
		}
		done[b] = 1;
		ini.F.F += a[b][j];
		ini.F.S.pb(b);
	}
	REP(i,n) done[i] = 0;
	ini.F.F = resolve(ini);
	pq.push(ini);
	REP(mkc,c-1){	
		pair<pair<int,vi>,pair<int,vi> > u = pq.top();
		pq.pop();
		FOR(i,u.S.F,k){
			pair<pair<int,vi>,pair<int,vi> > v;
			REP(j,i){
				v.F.F += a[u.F.S[j]][j];
				v.F.S.pb(u.F.S[j]);
				done[u.F.S[j]] = 1;
			}
			v.S.S = u.S.S;
			v.S.F = i;
			v.S.S[u.F.S[i]] = 1;
			done[u.F.S[i]] = 1;
			bool f = 1;
			FOR(j,i,k){
				int b = -1;
				REP(l,n){
					if(v.S.S[l] or done[l]) continue;
					if(b == -1 or a[b][j] < a[l][j]) b = l;
				}
				if(b == -1){
					f = 0;
					break;
				}
				v.F.F += a[b][j];
				v.F.S.pb(b);
				done[b] = 1;
			}
			REP(l,n) done[l] = 0;
			if(!f) continue;
			v.F.F = resolve(v);
			pq.push(v);
		}
	}
	pfl(pq.top().F.F)
}

Compilation message

olympiads.cpp:4:1: warning: multi-line comment [-Wcomment]
 //(UNCOMMENT WHEN HAVING LOTS OF RECURSIONS)\
 ^
olympiads.cpp:6:1: warning: multi-line comment [-Wcomment]
 //(UNCOMMENT WHEN NEEDED)\
 ^
olympiads.cpp:56:1: warning: multi-line comment [-Wcomment]
 // typedef tree<int,null_type,less<int>,rb_tree_tag, \
 ^
olympiads.cpp:212:2: warning: multi-line comment [-Wcomment]
  // (UNCOMMENT FOR CIN/COUT) \
  ^
olympiads.cpp:217:2: warning: multi-line comment [-Wcomment]
  // (UNCOMMENT FOR MULTIPLE TEST CASES) \
  ^
olympiads.cpp:220:3: warning: multi-line comment [-Wcomment]
   // (UNCOMMENT FOR CODEJAM) \
   ^
olympiads.cpp: In function 'void solvethetestcase()':
olympiads.cpp:97:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 #define sfl3(x,y,z) scanf("%lld%lld%lld",&x,&y,&z);
                     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
olympiads.cpp:243:2: note: in expansion of macro 'sfl3'
  sfl3(n,k,c)
  ^~~~
olympiads.cpp:95:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 #define sfl(x) scanf("%lld",&x);
                ~~~~~^~~~~~~~~~~
olympiads.cpp:246:11: note: in expansion of macro 'sfl'
    int x; sfl(x)
           ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 640 KB Output is correct
2 Correct 13 ms 640 KB Output is correct
3 Correct 12 ms 640 KB Output is correct
4 Correct 15 ms 2432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 896 KB Output is correct
2 Correct 7 ms 512 KB Output is correct
3 Correct 10 ms 1532 KB Output is correct
4 Correct 9 ms 1152 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 2816 KB Output is correct
2 Correct 40 ms 10356 KB Output is correct
3 Correct 49 ms 13300 KB Output is correct
4 Correct 45 ms 11380 KB Output is correct
5 Correct 24 ms 3072 KB Output is correct
6 Correct 9 ms 768 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 640 KB Output is correct
2 Correct 13 ms 640 KB Output is correct
3 Correct 12 ms 640 KB Output is correct
4 Correct 15 ms 2432 KB Output is correct
5 Correct 9 ms 896 KB Output is correct
6 Correct 7 ms 512 KB Output is correct
7 Correct 10 ms 1532 KB Output is correct
8 Correct 9 ms 1152 KB Output is correct
9 Correct 18 ms 2816 KB Output is correct
10 Correct 40 ms 10356 KB Output is correct
11 Correct 49 ms 13300 KB Output is correct
12 Correct 45 ms 11380 KB Output is correct
13 Correct 24 ms 3072 KB Output is correct
14 Correct 9 ms 768 KB Output is correct
15 Correct 21 ms 3072 KB Output is correct
16 Correct 34 ms 9588 KB Output is correct
17 Correct 61 ms 20720 KB Output is correct
18 Correct 36 ms 8704 KB Output is correct
19 Correct 37 ms 10484 KB Output is correct