Task: | Forest density |
Sender: | AleksandrPolitov |
Submission time: | 2024-09-23 16:28:33 +0300 |
Language: | C++ (C++20) |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.38 s | details |
#3 | ACCEPTED | 0.37 s | details |
Code
#ifdef ONPC#define _GLIBCXX_DEBUG#endif#include <bits/stdc++.h>#define char unsigned char#define rep(i, a, b) for(int i=a; i< (b); ++i)#define all(x) begin(x), end(x)#define sz(x) (int)(x).size()#define eb emplace_back#define mp make_pair#define mt make_tuple#define fi first#define se second#define pb push_back#define LSOne(S) ((S) & -(S))using namespace std;// mt19937 rnd(239);mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());typedef long long C;typedef complex<C> P;#define X real()#define Y imag()template<class T>istream& operator>> (istream& is, complex<T>& p) {T value;is >> value;p.real(value);is >> value;p.imag(value);return is;}typedef long long ll;typedef long double ld;using pi = pair<ll, ll>;using vi = vector<ll>;template <class T>using pq = priority_queue<T>;template <class T>using pqg = priority_queue<T, vector<T>, greater<T>>;int popcnt(int x) { return __builtin_popcount(x); }int popcnt(ll x) { return __builtin_popcountll(x); }#define MIN(v) *min_element(all(v))#define MAX(v) *max_element(all(v))#define LB(c, x) distance((c).begin(), lower_bound(all(c), (x)))#define UB(c, x) distance((c).begin(), upper_bound(all(c), (x)))void __print(int x) {cerr << x;}void __print(long x) {cerr << x;}void __print(long long x) {cerr << x;}void __print(unsigned x) {cerr << x;}void __print(unsigned long x) {cerr << x;}void __print(unsigned long long x) {cerr << x;}void __print(float x) {cerr << x;}void __print(double x) {cerr << x;}void __print(long double x) {cerr << x;}void __print(char x) {cerr << '\'' << x << '\'';}void __print(const char *x) {cerr << '\"' << x << '\"';}void __print(const string &x) {cerr << '\"' << x << '\"';}void __print(bool x) {cerr << (x ? "true" : "false");}template<typename T, typename V>void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}template<typename T>void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}void _print() {cerr << "]\n";}template <typename T, typename... V>void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}#ifdef DEBUG#define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;#else#define dbg(x...)#endiftemplate<typename S, typename T = S> void chmin(S &s, T t) {s = s < t ? s : t;}template<typename S, typename T = S> void chmax(S &s, T t) {s = s > t ? s : t;}const int INF = 1e9; // 10^9 = 1B is < 2^31-1const ll LLINF = 4e18; // 4*10^18 is < 2^63-1const double EPS = 1e-9;const ll MOD = 1e9+7;const int N=1010;int v[N][N];int solve() {int n, q; std::cin >> n >> q;vector<vector<int>> pref(n+1, vector<int>(n+1, 0));for (int i = 0; i < n; i++) {for (int j = 0; j < n; j++) {char c; std::cin >> c;v[i][j]=(c=='*');}}for (int i = 0; i < n; i++) {for (int j = 0; j < n; j++) {pref[i+1][j+1]=pref[i+1][j]+pref[i][j+1]-pref[i][j]+v[i][j];}}//return 0;// x1,y1//// x2,y2while(q--) {int y1, x1, y2, x2; std::cin >> y1 >> x1 >> y2 >> x2;if(y2<y1) swap(y2, y1);if(x2<x1) swap(x2, x1);//std::cout << y1 << " " << x1 << " " << y2 << " " << x2 << std::endl;//std::cout << << std::endl;//std::cout << pref[y2][x2] << std::endl;//std::cout << pref[y2][x1-1] << std::endl;// std::cout << pref[y2][x1-1] << std::endl;//std::cout << pref[y] << std::endl;ll res=pref[y2][x2]-pref[y2][x1-1]-pref[y1-1][x2]+pref[y1-1][x1-1];std::cout << res << std::endl;}return 0;}int32_t main() {ios::sync_with_stdio(0);cin.tie(0);int TET = 1;//cin >> TET;for (int i = 1; i <= TET; i++) {#ifdef ONPCcout << "TEST CASE#" << i << endl;#endifif (solve()) {break;}#ifdef ONPCcout << "__________________________" << endl;#endif}#ifdef ONPCcerr << endl << "finished in " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl;#endif}
Test details
Test 1
Verdict: ACCEPTED
input |
---|
10 100 **.*.*.**. *.**.*..*. .*****.**. **....***. ... |
correct output |
---|
10 14 5 7 8 ... |
user output |
---|
10 14 5 7 8 ... Truncated |
Test 2
Verdict: ACCEPTED
input |
---|
1000 200000 **.**.****..**.***..**.***.**.... |
correct output |
---|
41079 2824 15631 1548 8483 ... |
user output |
---|
41079 2824 15631 1548 8483 ... Truncated |
Test 3
Verdict: ACCEPTED
input |
---|
1000 200000 ******************************... |
correct output |
---|
1000000 1000000 1000000 1000000 1000000 ... |
user output |
---|
1000000 1000000 1000000 1000000 1000000 ... Truncated |