結果
問題 | No.1028 闇討ち |
ユーザー | wk |
提出日時 | 2020-04-19 17:22:42 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 220 ms / 2,000 ms |
コード長 | 4,082 bytes |
コンパイル時間 | 1,711 ms |
コンパイル使用メモリ | 170,168 KB |
実行使用メモリ | 11,328 KB |
最終ジャッジ日時 | 2024-10-05 19:32:08 |
合計ジャッジ時間 | 5,648 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
6,820 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 3 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 11 ms
6,816 KB |
testcase_10 | AC | 15 ms
6,820 KB |
testcase_11 | AC | 51 ms
8,348 KB |
testcase_12 | AC | 203 ms
11,020 KB |
testcase_13 | AC | 201 ms
11,116 KB |
testcase_14 | AC | 112 ms
10,012 KB |
testcase_15 | AC | 38 ms
6,816 KB |
testcase_16 | AC | 215 ms
11,224 KB |
testcase_17 | AC | 216 ms
11,156 KB |
testcase_18 | AC | 219 ms
11,328 KB |
testcase_19 | AC | 220 ms
11,308 KB |
testcase_20 | AC | 219 ms
11,248 KB |
testcase_21 | AC | 215 ms
11,300 KB |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:168:17: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 168 | c[A[0][0]][1]++; | ~~~~~~~~~~~~^ main.cpp:158:10: note: 'c' declared here 158 | long c[1005][2]; | ^ main.cpp:168:13: warning: 'A' may be used uninitialized [-Wmaybe-uninitialized] 168 | c[A[0][0]][1]++; | ~~~~~~^ main.cpp:155:10: note: 'A' declared here 155 | long A[1005][1005]; | ^ main.cpp:168:17: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 168 | c[A[0][0]][1]++; | ~~~~~~~~~~~~^ main.cpp:158:10: note: 'c' declared here 158 | long c[1005][2]; | ^
ソースコード
#include <bits/stdc++.h> #define REP(i, n) for(int i = 0; (i) < (n); (i)++) #define INF 5000000000000000 using namespace std; struct Edge{ int to; long weight; Edge(int t, long w) : to(t), weight(w) {} }; long modpow(long a, long n, long mod) { long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } // a^{-1} mod を計算する long modinv(long a, long mod) { return modpow(a, mod - 2, mod); } struct compare1 { bool operator()(const pair<long, long>& value, const long& key) { return (value.first < key); } bool operator()(const long& key, const pair<long, long>& value) { return (key < value.first); } }; struct UnionFind { vector<int> par; vector<int> rank; UnionFind(int n = 1){ init(n); } void init(int n = 1){ par.resize(n); rank.resize(n); REP(i, n) par[i] = i, rank[i] = 0; } int root(int x){ if(par[x] == x) return x; else return par[x] = root(par[x]); } bool issame(int x, int y){ return root(x) == root(y); } bool merge(int x, int y){ x = root(x); y = root(y); if(x == y) return false; if(rank[x] < rank[y]) swap(x, y); if(rank[x] == rank[y]) rank[x]++; par[y] = x; return true; } }; template<class Abel> struct weightedUnionFind{ vector<int> par; vector<int> rank; vector<Abel> diff_weight; weightedUnionFind(int n = 1, Abel SUM_UNITY = 0){ init(n, SUM_UNITY); } void init(int n = 1, Abel SUM_UNITY = 0){ par.resize(n); rank.resize(n); diff_weight.resize(n); REP(i, n) par[i] = i, rank[i] = 0, diff_weight[i] = SUM_UNITY; } int root(int x){ if(par[x] == x) return x; else{ int r = root(par[x]); diff_weight[x] += diff_weight[par[x]]; return par[x] = r; } } Abel weight(int x){ root(x); return diff_weight[x]; } bool issame(int x, int y){ return root(x) == root(y); } bool merge(int x, int y, Abel w){ w += weight(x); w -= weight(y); x = root(x); y = root(y); if(x == y) return false; if(rank[x] < rank[y]) swap(x, y), w = -w; if(rank[x] == rank[y]) rank[x]++; par[y] = x; diff_weight[y] = w; return true; } Abel diff(int x, int y){ return weight(y) - weight(x); } }; using Graph = vector<vector<int>>; using P = pair<int, int>; /* void dijkstra(int s, int V, Graph &G, long* d){ priority_queue<P, vector<P>, greater<P>> pque; fill(d, d + V, INF); d[s] = 0; pque.push(P(0, s)); while(!pque.empty()){ P p = pque.top(); pque.pop(); int now = p.second; if(d[now] < p.first) continue; REP(i, G[now].size()){ Edge e = G[now][i]; if(d[e.to] > d[now] + e.weight){ d[e.to] = d[now] + e.weight; pque.push(P(d[e.to], e.to)); } } } } */ long GCD(long a, long b){ if(b == 0l) return a; if(a < b) return GCD(b, a); else return GCD(b, a%b); } int main() { int N; cin >> N; long A[1005][1005]; long b[1005]; long ans[1005]; long c[1005][2]; REP(i, N) REP(j, N){ int a; cin >> a; a--; A[i][j] = a; } REP(i, N) b[i] = 0l; REP(i, N) REP(j, N) b[A[i][j]] += max(i, j); REP(i, N) ans[i] = b[i]; REP(i, N) c[i][0] = 0l, c[i][1] = 0l; REP(i, N) REP(j, N) if(i > j) c[A[i][j]][0]++; c[A[0][0]][1]++; REP(i, N-1){ REP(j, N) b[j] -= c[j][0]; REP(j, N) b[j] += c[j][1]; REP(j, N) ans[j] = min(ans[j], b[j]); for(int j = i+1; j >= 0; j--) c[A[j][i+1-j]][1]++; for(int j = i+1; j < N; j++) c[A[j][j-i-1]][0]--; } long su = 0l; REP(i, N) su += ans[i]; cout << su << endl; return 0; }