結果
問題 | No.1636 森 |
ユーザー |
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提出日時 | 2021-08-06 21:59:28 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,619 bytes |
コンパイル時間 | 2,523 ms |
コンパイル使用メモリ | 216,920 KB |
最終ジャッジ日時 | 2025-01-23 15:18:31 |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 20 |
ソースコード
#pragma GCC optimize("Ofast")#pragma GCC optimize("unroll-loops")#pragma GCC optimize("inline")#include<bits/stdc++.h>using namespace std;inline int my_getchar_unlocked(){static char buf[1048576];static int s = 1048576;static int e = 1048576;if(s == e && e == 1048576){e = fread_unlocked(buf, 1, 1048576, stdin);s = 0;}if(s == e){return EOF;}return buf[s++];}inline void rd(int &x){int k;int m=0;x=0;for(;;){k = my_getchar_unlocked();if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){x=k-'0';break;}}for(;;){k = my_getchar_unlocked();if(k<'0'||k>'9'){break;}x=x*10+k-'0';}if(m){x=-x;}}inline int rd_int(void){int x;rd(x);return x;}struct MY_WRITER{char buf[1048576];int s;int e;MY_WRITER(){s = 0;e = 1048576;}~MY_WRITER(){if(s){fwrite_unlocked(buf, 1, s, stdout);}}};MY_WRITER MY_WRITER_VAR;void my_putchar_unlocked(int a){if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout);MY_WRITER_VAR.s = 0;}MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a;}inline void wt_L(char a){my_putchar_unlocked(a);}inline void wt_L(int x){int s=0;int m=0;char f[10];if(x<0){m=1;x=-x;}while(x){f[s++]=x%10;x/=10;}if(!s){f[s++]=0;}if(m){my_putchar_unlocked('-');}while(s--){my_putchar_unlocked(f[s]+'0');}}inline void wt_L(unsigned x){int s=0;char f[10];while(x){f[s++]=x%10;x/=10;}if(!s){f[s++]=0;}while(s--){my_putchar_unlocked(f[s]+'0');}}inline void wt_L(long long x){int s=0;int m=0;char f[20];if(x<0){m=1;x=-x;}while(x){f[s++]=x%10;x/=10;}if(!s){f[s++]=0;}if(m){my_putchar_unlocked('-');}while(s--){my_putchar_unlocked(f[s]+'0');}}inline void wt_L(unsigned long long x){int s=0;char f[21];while(x){f[s++]=x%10;x/=10;}if(!s){f[s++]=0;}while(s--){my_putchar_unlocked(f[s]+'0');}}int WRITER_DOUBLE_DIGIT = 15;inline int writerDigit_double(){return WRITER_DOUBLE_DIGIT;}inline void writerDigit_double(int d){WRITER_DOUBLE_DIGIT = d;}inline void wt_L(double x){const int d = WRITER_DOUBLE_DIGIT;int k;int r;double v;if(x!=x || (x==x+1 && x==2*x)){my_putchar_unlocked('E');my_putchar_unlocked('r');my_putchar_unlocked('r');return;}if(x < 0){my_putchar_unlocked('-');x = -x;}x += 0.5 * pow(0.1, d);r = 0;v = 1;while(x >= 10*v){v *= 10;r++;}while(r >= 0){r--;k = floor(x / v);if(k >= 10){k = 9;}if(k <= -1){k = 0;}x -= k * v;v *= 0.1;my_putchar_unlocked(k + '0');}if(d > 0){my_putchar_unlocked('.');v = 1;for(r=(0);r<(d);r++){v *= 0.1;k = floor(x / v);if(k >= 10){k = 9;}if(k <= -1){k = 0;}x -= k * v;my_putchar_unlocked(k + '0');}}}inline void wt_L(const char c[]){int i=0;for(i=0;c[i]!='\0';i++){my_putchar_unlocked(c[i]);}}inline void wt_L(string &x){int i=0;for(i=0;x[i]!='\0';i++){my_putchar_unlocked(x[i]);}}template<class T> inline T pow2_L(T a){return a*a;}int main(){wt_L((pow2_L((rd_int()-1))));wt_L('\n');return 0;}// cLay version 20210717-1 [beta]// --- original code ---// {wt((rd_int()-1)**2);}