Submission #202204

#TimeUsernameProblemLanguageResultExecution timeMemory
202204triDango Maker (JOI18_dango_maker)C++14
13 / 100
160 ms220664 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pi; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ld> vd; typedef vector<ll> vl; #define pb push_back #define f first #define s second namespace debug { const int DEBUG = true; template<class T1, class T2> void pr(const pair<T1, T2> &x); template<class T, size_t SZ> void pr(const array<T, SZ> &x); template<class T> void pr(const vector<T> &x); template<class T> void pr(const set<T> &x); template<class T1, class T2> void pr(const map<T1, T2> &x); template<class T> void pr(const T &x) { if (DEBUG) cout << x; } template<class T, class... Ts> void pr(const T &first, const Ts &... rest) { pr(first), pr(rest...); } template<class T1, class T2> void pr(const pair<T1, T2> &x) { pr("{", x.f, ", ", x.s, "}"); } template<class T> void prIn(const T &x) { pr("{"); bool fst = 1; for (auto &a : x) { pr(fst ? "" : ", ", a), fst = 0; } pr("}"); } template<class T, size_t SZ> void pr(const array<T, SZ> &x) { prIn(x); } template<class T> void pr(const vector<T> &x) { prIn(x); } template<class T> void pr(const set<T> &x) { prIn(x); } template<class T1, class T2> void pr(const map<T1, T2> &x) { prIn(x); } void ps() { pr("\n"), cout << flush; } template<class Arg, class... Args> void ps(const Arg &first, const Args &... rest) { pr(first, " "); ps(rest...); } } using namespace debug; const int MAXN = 9e6 + 10; vi aL[MAXN]; bool act[MAXN]; int N, M; int lin(int i, int j, int t) { return N * M * t + i * M + j; } string g[3010]; bool checkV(int i, int j) { if (j < 0 || M <= j) return false; if (i < 0 || i + 2 >= N) return false; return g[i][j] == 'R' && g[i + 1][j] == 'G' && g[i + 2][j] == 'W'; } bool checkH(int i, int j) { if (i < 0 || N <= i) return false; if (j < 0 || j + 2 >= M) return false; return g[i][j] == 'R' && g[i][j + 1] == 'G' && g[i][j + 2] == 'W'; } int cnt0, cnt1; void dfs(int x) { // ps(x); act[x] = false; if (x < N * M) { cnt0++; } else { cnt1++; } for (int aV : aL[x]) { if (act[aV]) { dfs(aV); } } } int main() { cin >> N >> M; for (int i = 0; i < N; i++) { cin >> g[i]; } fill(act, act + MAXN, false); for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { // ps(i, j); if (checkV(i, j)) { int cCell = lin(i, j, 0); act[cCell] = true; for (int d = 0; d <= 2; d++) { if (checkH(i + d, j - d)) { int aCell = lin(i + d, j - d, 1); aL[cCell].pb(aCell); } } } if (checkH(i, j)) { int cCell = lin(i, j, 1); act[cCell] = true; for (int d = 0; d <= 2; d++) { if (checkV(i - d, j + d)) { int aCell = lin(i - d, j + d, 0); aL[cCell].pb(aCell); } } } } } // ps("hello"); int sum = 0; for (int x = 0; x < 2 * N * M; x++) { if (act[x]) { cnt0 = 0, cnt1 = 0; dfs(x); sum += max(cnt0, cnt1); } } cout << sum << endl; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...