結果
問題 | No.900 aδδitivee |
ユーザー | tnakao0123 |
提出日時 | 2019-10-05 20:09:12 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 147 ms / 2,000 ms |
コード長 | 3,422 bytes |
コンパイル時間 | 952 ms |
コンパイル使用メモリ | 91,372 KB |
実行使用メモリ | 21,700 KB |
最終ジャッジ日時 | 2024-10-06 23:09:31 |
合計ジャッジ時間 | 6,057 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 4 ms
11,276 KB |
testcase_01 | AC | 4 ms
11,292 KB |
testcase_02 | AC | 4 ms
11,048 KB |
testcase_03 | AC | 4 ms
10,884 KB |
testcase_04 | AC | 4 ms
10,284 KB |
testcase_05 | AC | 4 ms
11,224 KB |
testcase_06 | AC | 5 ms
11,264 KB |
testcase_07 | AC | 146 ms
21,524 KB |
testcase_08 | AC | 145 ms
20,976 KB |
testcase_09 | AC | 146 ms
21,464 KB |
testcase_10 | AC | 144 ms
21,100 KB |
testcase_11 | AC | 143 ms
21,700 KB |
testcase_12 | AC | 142 ms
20,868 KB |
testcase_13 | AC | 144 ms
20,988 KB |
testcase_14 | AC | 141 ms
21,012 KB |
testcase_15 | AC | 143 ms
21,548 KB |
testcase_16 | AC | 143 ms
21,600 KB |
testcase_17 | AC | 143 ms
21,508 KB |
testcase_18 | AC | 141 ms
21,360 KB |
testcase_19 | AC | 147 ms
20,788 KB |
testcase_20 | AC | 142 ms
21,000 KB |
testcase_21 | AC | 144 ms
21,588 KB |
testcase_22 | AC | 124 ms
19,332 KB |
testcase_23 | AC | 124 ms
19,300 KB |
testcase_24 | AC | 125 ms
19,204 KB |
testcase_25 | AC | 125 ms
19,300 KB |
testcase_26 | AC | 122 ms
19,356 KB |
testcase_27 | AC | 124 ms
19,292 KB |
testcase_28 | AC | 124 ms
17,172 KB |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:118:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 118 | scanf("%d", &n); | ~~~~~^~~~~~~~~~ main.cpp:122:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 122 | scanf("%d%d%d", &u, &v, &w); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:153:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 153 | scanf("%d", &qn); | ~~~~~^~~~~~~~~~~ main.cpp:157:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 157 | scanf("%d", &op); | ~~~~~^~~~~~~~~~~ main.cpp:161:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 161 | scanf("%d%d", &a, &x); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:166:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 166 | scanf("%d", &b); | ~~~~~^~~~~~~~~~
ソースコード
/* -*- coding: utf-8 -*- * * 900.cc: No.900 a隆隆itivee - yukicoder */ #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<iostream> #include<string> #include<vector> #include<map> #include<set> #include<stack> #include<list> #include<queue> #include<deque> #include<algorithm> #include<numeric> #include<utility> #include<complex> #include<functional> using namespace std; /* constant */ const int MAX_N = 100000; const int MAX_E2 = 1 << 19; // = 524288 /* typedef */ typedef long long ll; typedef pair<int,int> pii; typedef vector<pii> vpii; template <typename T, const int MAX_E2> struct SegTreeDly { int n, e2; T nodes[MAX_E2], dls[MAX_E2]; int ss[MAX_E2]; SegTreeDly() {} void init(int _n) { n = _n; for (e2 = 1; e2 < n; e2 <<= 1); } T &get(int i) { return nodes[e2 - 1 + i]; } void set(int i, T v, int s) { int j = e2 - 1 + i; nodes[j] = v, ss[j] = s; } void setall() { for (int j = e2 - 2; j >= 0; j--) { int j0 = j * 2 + 1, j1 = j0 + 1; nodes[j] = nodes[j0] + nodes[j1]; ss[j] = ss[j0] + ss[j1]; } } void _update(int k) { if (dls[k] != 0) { int k0 = k * 2 + 1, k1 = k0 + 1; nodes[k0] += dls[k] * ss[k0]; dls[k0] += dls[k]; nodes[k1] += dls[k] * ss[k1]; dls[k1] += dls[k]; dls[k] = 0; } } void add_range(int r0, int r1, T v, int k, int i0, int i1) { if (r1 <= i0 || i1 <= r0) return; if (r0 <= i0 && i1 <= r1) { nodes[k] += v * ss[k]; dls[k] += v; return; } _update(k); int im = (i0 + i1) / 2; int k0 = k * 2 + 1, k1 = k0 + 1; add_range(r0, r1, v, k0, i0, im); add_range(r0, r1, v, k1, im, i1); nodes[k] = nodes[k0] + nodes[k1]; } void add_range(int r0, int r1, T v) { add_range(r0, r1, v, 0, 0, e2); } T sum_range(int r0, int r1, int k, int i0, int i1) { if (r1 <= i0 || i1 <= r0) return 0; if (r0 <= i0 && i1 <= r1) return nodes[k]; _update(k); int im = (i0 + i1) / 2; T v0 = sum_range(r0, r1, k * 2 + 1, i0, im); T v1 = sum_range(r0, r1, k * 2 + 2, im, i1); return v0 + v1; } T sum_range(int r0, int r1) { return sum_range(r0, r1, 0, 0, e2); } }; /* global variables */ vpii nbrs[MAX_N]; int prts[MAX_N], pws[MAX_N], cns[MAX_N], rls[MAX_N], rrs[MAX_N]; SegTreeDly<ll,MAX_E2> st; /* subroutines */ /* main */ int main() { int n; scanf("%d", &n); for (int i = 1; i < n; i++) { int u, v, w; scanf("%d%d%d", &u, &v, &w); nbrs[u].push_back(pii(v, w)); nbrs[v].push_back(pii(u, w)); } st.init(2 * n); prts[0] = -1; pws[0] = 0; rls[0] = 0; for (int u = 0, k = 0; u >= 0;) { int &up = prts[u], &cnu = cns[u]; vpii &nbru = nbrs[u]; if (cnu < nbru.size() && nbru[cnu].first == up) cnu++; if (cnu >= nbru.size()) { rrs[u] = k; st.set(k++, -pws[u], -1); u = up; } else { int &v = nbru[cnu].first, &w = nbru[cnu].second; cnu++; prts[v] = u, pws[v] = w; st.set(k++, w, 1); rls[v] = k; u = v; } } st.setall(); int qn; scanf("%d", &qn); while (qn--) { int op; scanf("%d", &op); if (op == 1) { int a, x; scanf("%d%d", &a, &x); if (x > 0) st.add_range(rls[a], rrs[a], x); } else { int b; scanf("%d", &b); ll sum = st.sum_range(0, rls[b]); printf("%lld\n", sum); } } return 0; }