結果
問題 | No.1120 Strange Teacher |
ユーザー | LayCurse |
提出日時 | 2020-07-22 21:26:02 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 6 ms / 1,000 ms |
コード長 | 5,531 bytes |
コンパイル時間 | 2,990 ms |
コンパイル使用メモリ | 215,372 KB |
実行使用メモリ | 7,236 KB |
最終ジャッジ日時 | 2024-06-22 13:14:53 |
合計ジャッジ時間 | 4,027 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 5 ms
7,236 KB |
testcase_05 | AC | 6 ms
6,984 KB |
testcase_06 | AC | 5 ms
7,108 KB |
testcase_07 | AC | 6 ms
7,108 KB |
testcase_08 | AC | 5 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 5 ms
7,104 KB |
testcase_11 | AC | 5 ms
7,108 KB |
testcase_12 | AC | 5 ms
7,108 KB |
testcase_13 | AC | 5 ms
6,940 KB |
testcase_14 | AC | 5 ms
7,112 KB |
testcase_15 | AC | 5 ms
7,104 KB |
testcase_16 | AC | 5 ms
6,944 KB |
testcase_17 | AC | 6 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 5 ms
7,108 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 5 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
ソースコード
#pragma GCC optimize ("Ofast") #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 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(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]); } } int N; long long A[100000]; long long B[100000]; long long sa; long long sb; long long d; long long p; int main(){ int i; rd(N); { int Lj4PdHRW; for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){ rd(A[Lj4PdHRW]); } } { int e98WHCEY; for(e98WHCEY=(0);e98WHCEY<(N);e98WHCEY++){ rd(B[e98WHCEY]); } } { int FmcKpFmN; long long xr20shxY; if(N==0){ xr20shxY = 0; } else{ xr20shxY = A[0]; for(FmcKpFmN=(1);FmcKpFmN<(N);FmcKpFmN++){ xr20shxY += A[FmcKpFmN]; } } sa =xr20shxY; } { int KrdatlYV; long long ao_dF3pO; if(N==0){ ao_dF3pO = 0; } else{ ao_dF3pO = B[0]; for(KrdatlYV=(1);KrdatlYV<(N);KrdatlYV++){ ao_dF3pO += B[KrdatlYV]; } } sb =ao_dF3pO; } if(N==2){ if(sa != sb){ wt_L(-1); wt_L('\n'); return 0; } wt_L(abs(A[0]-B[0])); wt_L('\n'); return 0; } d = sa - sb; if(d < 0 || d % (N-2)){ wt_L(-1); wt_L('\n'); return 0; } d /= N-2; for(i=(0);i<(N);i++){ A[i] -= d; } for(i=(0);i<(N);i++){ if(B[i] - A[i] < 0 || (B[i] - A[i])%2){ wt_L(-1); wt_L('\n'); return 0; } p += (B[i] - A[i]) / 2; } if(p != d){ wt_L(-1); wt_L('\n'); return 0; } wt_L(d); wt_L('\n'); return 0; } // cLay varsion 20200509-1 // --- original code --- // int N; ll A[1d5], B[1d5]; // ll sa, sb, d, p; // { // rd(N,A(N),B(N)); // sa = sum(A(N)); // sb = sum(B(N)); // if(N==2){ // if(sa != sb) wt(-1), return 0; // wt(abs(A[0]-B[0])); // return 0; // } // // d = sa - sb; // if(d < 0 || d % (N-2)) wt(-1), return 0; // d /= N-2; // // rep(i,N) A[i] -= d; // rep(i,N){ // if(B[i] - A[i] < 0 || (B[i] - A[i])%2) wt(-1), return 0; // p += (B[i] - A[i]) / 2; // } // if(p != d) wt(-1), return 0; // wt(d); // }