結果
問題 | No.1141 田グリッド |
ユーザー |
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提出日時 | 2020-07-31 21:35:29 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,928 bytes |
コンパイル時間 | 1,086 ms |
コンパイル使用メモリ | 106,352 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-06 16:52:17 |
合計ジャッジ時間 | 3,239 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 24 WA * 7 |
ソースコード
#include<vector>#include<set>#include<map>#include<queue>#include<string>#include<algorithm>#include<iostream>#include<bitset>#include<functional>#include<numeric>#include<cstdio>#include<cstring>#include<cstdlib>#include<cassert>#include<cmath>#include<iomanip>#include<random>#include<ctime>#include<complex>using namespace std;typedef long long LL;typedef double D;#define all(v) (v).begin(), (v).end()mt19937 gene(233);typedef complex<double> Complex;#define fi first#define se second#define ins insert#define pb push_backinline char GET_CHAR(){const int maxn = 131072;static char buf[maxn],*p1=buf,*p2=buf;return p1==p2&&(p2=(p1=buf)+fread(buf,1,maxn,stdin),p1==p2)?EOF:*p1++;}inline int getInt() {int res(0);char c = getchar();while(c < '0') c = getchar();while(c >= '0') {res = res * 10 + (c - '0');c = getchar();}return res;}inline LL fastpo(LL x, LL n, LL mod) {LL res(1);while(n) {if(n & 1) {res = res * (LL)x % mod;}x = x * (LL) x % mod;n /= 2;}return res;}LL gcd(LL a, LL b) { return b ? gcd(b, a % b) : a; }inline string itoa(int x, int width = 0) {string res;if(x == 0) res.push_back('0');while(x) {res.push_back('0' + x % 10);x /= 10;}while((int)res.size() < width) res.push_back('0');reverse(res.begin(), res.end());return res;}const int _B = 131072;char buf[_B];int _bl = 0;inline void flush() {fwrite(buf, 1, _bl, stdout);_bl = 0;}__inline void _putchar(char c) {if(_bl == _B) flush();buf[_bl++] = c;}inline void print(LL x, char c) {static char tmp[20];int l = 0;if(!x) tmp[l++] = '0';else {while(x) {tmp[l++] = x % 10 + '0';x /= 10;}}for(int i = l - 1; i >= 0; i--) _putchar(tmp[i]);_putchar(c);}struct P {D x, y;};const int N = 300033;const int LOG = 20;const int mod = 1e9 + 7;const int inf = 1e9 + 7;int n, m;int dx[4] = {1, 0, -1, 0};int dy[4] = {0, 1, 0, -1};int a[N], rowprod[N], colprod[N], rowcnt0[N], colcnt0[N];int main() {int n, m;scanf("%d%d", &n, &m);int prod = 1, cnt0 = 0;for(int i = 0; i < n * m; i++) {scanf("%d", &a[i]);if(a[i] == 0) cnt0++;else prod = (LL)prod * a[i] % mod;}for(int i = 0; i < n; i++) rowprod[i] = 1;for(int i = 0; i < m; i++) colprod[i] = 1;for(int i = 0; i < n; i++) {for(int j = 0; j < m; j++) {if(a[i * m + j] == 0) {rowcnt0[i]++;colcnt0[j]++;}else {rowprod[i] = (LL)rowprod[i] * a[i * m + j] % mod;colprod[j] = (LL)colprod[j] * a[i * m + j] % mod;}}}int Q;scanf("%d", &Q);for(int qq = 1; qq <= Q; qq++) {int x, y;scanf("%d%d", &x, &y);x--; y--;int id = x * m + y;int num0 = cnt0 - rowcnt0[x] - colcnt0[y] + (a[id] == 0);if(num0 != 0) {printf("0\n");}else {int ans = prod * (LL)fastpo(rowprod[x] * (LL)colprod[y] % mod, mod - 2, mod) % mod * a[id] % mod;printf("%d\n", ans);}}}