結果
| 問題 |
No.1463 Hungry Kanten
|
| コンテスト | |
| ユーザー |
tsuishi
|
| 提出日時 | 2021-04-13 16:18:52 |
| 言語 | C (gcc 13.3.0) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 3,699 bytes |
| コンパイル時間 | 363 ms |
| コンパイル使用メモリ | 32,896 KB |
| 実行使用メモリ | 526,184 KB |
| 最終ジャッジ日時 | 2024-06-29 21:22:17 |
| 合計ジャッジ時間 | 6,623 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | MLE * 2 |
| other | MLE * 20 |
ソースコード
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
extern int getchar_unlocked(void);
extern int putchar_unlocked(int);
#define DEBUGg
#define NOP do{}while(0)
#define gc(d) (d)=getchar_unlocked()
#define pc(d) putchar_unlocked(d)
#define PRINCR pc('\n')
#ifdef DEBUG
#include <time.h>
#define TRACE(...) do{printf(__VA_ARGS__);fflush(stdout);}while(0)
#define TRACECR do{putchar_unlocked('\n');fflush(stdout);}while(0)
static clock_t startclock;
void DEBUGSTART(void){TRACE("--DEBUG MODE --\n");startclock=clock();}
void DEBUGEND(void){startclock=clock()-startclock;TRACE("--finish --\ntime is %.3fms\n",startclock/1000.);}
#else
#define TRACE(...) NOP
#define TRACECR NOP
void DEBUGSTART(void){return;}
void DEBUGEND(void){return;}
#endif
#define NOCR(strig) do{char *p;p=strchr(strig,'\n');if(p)*p='\0';}while(0)
#define SWAP(type,a,b) do{type _c;_c=a;a=b;b=_c;}while(0)
#define MAX(a,b) ((a)>(b)?(a):(b))
#define MIN(a,b) ((a)<(b)?(a):(b))
#define REP(a,b) for(int a=0;a<(int)(b);++a)
#define REP1(a,b) for(int a=1;a<=(int)(b);++a)
static char *GETWORD(char* str) {char c;char *cp;cp=&str[0];gc(c);while(c!=EOF){if((c==' ')||(c=='\n'))break;*cp++=c;gc(c);}*cp='\0';return &str[0];}
#define GETLINE(str) do{char *p;fgets(str,sizeof(str),stdin);p=strchr(str,'\n');if(p)*p='\0';}while(0)
#define mygc(c) (c)=getchar()
static void read1(int *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
static void read2(int *x, int *y){read1(x);read1(y);}
#define INPUT(str) do{char *p;fgets(str,sizeof(str),stdin);p=strchr(str,'\n');if(p)*p='\0';}while(0)
#define REP(a,b) for(int a=0;a<(int)(b);++a)
#define lolong long long
static int GETLINEINT(void) {char s[34];GETLINE(s);return atoi(s);}
static int GETWORDINT(void) {char s[34];GETWORD(s);return atoi(s);}
static int cmpint123(const void *a,const void *b){if(*(int *)a>*(int *)b){return 1;}if(*(int *)a==*(int *)b){return 0;}return -1;}
static int cmpint321(const void *a,const void *b){if(*(int *)a<*(int *)b){return 1;}if(*(int *)a==*(int *)b){return 0;}return -1;}
#define ull unsigned long long
#define ui unsigned int
// *********************
#define CAMA (67108864LL)
int seisuu[19];
int K;
ull ncash[CAMA];
// *********************
ull inl() // 整数の入力(負数に対応)
{
ull n = 0ULL;
int c;
gc(c);
do {
n = 10 * n + (c & 0xf);
gc(c);
} while (c >= '0');
return n;
}
void outl(ull n) {
int i;
char b[70];
if (!n) pc('0');
else {
if (n < 0) pc('-'), n = -n;
i = 0; while (n) b[i++] = n % 10 + '0', n /= 10;
while (i--) pc(b[i]);
}
pc('\n');
}
ui bits_count( unsigned int v ) {
v = (v & 0x55555555) + (v >> 1 & 0x55555555);
v = (v & 0x33333333) + (v >> 2 & 0x33333333);
v = (v & 0x0f0f0f0f) + (v >> 4 & 0x0f0f0f0f);
v = (v & 0x00ff00ff) + (v >> 8 & 0x00ff00ff);
v = (v & 0x0000ffff) + (v >> 16 & 0x0000ffff);
return v;
}
void cook(ui x, ui *fry, ui *crush ) {
ull f = 0L;
ull c = 1L;
int *ip = &seisuu[0];
while( x ) {
if( x & 1 ) {
f += *ip;
c *= *ip;
}
x >>= 1;
ip++;
}
*fry = f;
*crush = c;
return;
}
ui push( ui x ) {
if( ncash[ x % CAMA] ) return 0;
ncash[ x % CAMA ] = 1;
//TRACE("p(%ud)",x);
return 1;
}
// *********************
int main( void ) {
int N;
ui bc = 0;
ui f,c;
ui mbc;
ui ans = 0;
memset( ncash , 0 , CAMA * sizeof(ull) );
N = GETWORDINT();
K = GETWORDINT();
REP(i,N) {
seisuu[i] = GETWORDINT();
}
mbc = (1 << N) +1;
DEBUGSTART();
for(ui i = 1; i < mbc; i++ ) {
if( bits_count(i) >= K ) {
cook(i, &f, &c );
ans += push(f);
ans += push(c);
}
}
DEBUGEND();
outl( ans );
}
tsuishi