結果
問題 | No.1213 sio |
ユーザー |
![]() |
提出日時 | 2020-08-30 16:02:51 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 17 ms / 2,000 ms |
コード長 | 2,588 bytes |
コンパイル時間 | 2,421 ms |
コンパイル使用メモリ | 210,112 KB |
最終ジャッジ日時 | 2025-01-13 23:24:53 |
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 25 |
ソースコード
#pragma GCC optimize ("Ofast")#include<bits/stdc++.h>using namespace std;template<class S, class T> inline S min_L(S a,T b){return a<=b?a:b;}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(long long &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;}}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(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');}}int main(){long long N;long long M;rd(N);rd(M);if(N%2==M%2 && M%2==0){wt_L(0);wt_L('\n');return 0;}if(N%2==1 && M%2==0){wt_L(M/4);wt_L('\n');return 0;}if(N%2==0 && M%2==1){wt_L(N/4);wt_L('\n');return 0;}if(N%4==3 && M%4==3 &&min_L(N, M)>= 7){wt_L(N/4 + M/4 + 2);wt_L('\n');return 0;}if(N%2==M%2 && M%2==1){wt_L(N/4 + M/4);wt_L('\n');return 0;}return 0;}// cLay varsion 20200813-1 [beta]// --- original code ---// {// ll N, M;// rd(N, M);// if(N%2==M%2==0) wt(0), return 0;// if(N%2==1 && M%2==0) wt(M/4), return 0;// if(N%2==0 && M%2==1) wt(N/4), return 0;// if(N%4==3 && M%4==3 && min(N,M) >= 7) wt(N/4 + M/4 + 2), return 0;// if(N%2==M%2==1) wt(N/4 + M/4), return 0;// }