| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 101171 |
2019-03-17T07:57:38 Z |
E869120 |
Cake (CEOI14_cake) |
C++14 |
|
2000 ms |
74768 KB |
#include <iostream>
#include <algorithm>
#include <limits>
#include <vector>
#include <functional>
#include <queue>
#include <map>
using namespace std;
#pragma warning (disable: 4996)
class RangeMax {
public:
vector<int>dat; int size_ = 1;
void init(int sz) {
while (size_ <= sz) size_ *= 2;
dat.resize(size_ * 2, 0);
}
void update(int pos, int x) {
pos += size_; dat[pos] = x;
while (pos >= 2) {
pos /= 2;
dat[pos] = max(dat[pos * 2], dat[pos * 2 + 1]);
}
}
int query_(int l, int r, int a, int b, int u) {
if (l <= a && b <= r) return dat[u];
if (r <= a || b <= l) return -(1 << 30);
int v1 = query_(l, r, a, (a + b) >> 1, u * 2);
int v2 = query_(l, r, (a + b) >> 1, b, u * 2 + 1);
return max(v1, v2);
}
int query(int l, int r) {
return query_(l, r, 0, size_, 1);
}
};
int N, Q, A, P[1 << 19], D[1 << 19];
char op[1 << 19]; int x[1 << 19], e[1 << 19];
void solve() {
RangeMax X; X.init(N + 2);
for (int i = 1; i <= N; i++) X.update(i, D[i]);
for (int i = 1; i <= Q; i++) {
if (op[i] == 'E') {
X.update(x[i], e[i]);
}
if (op[i] == 'F') {
if (x[i] == A) {
printf("0\n");
}
if (x[i] < A) {
int score = (A - x[i]), G = X.query(x[i], A);
int L = A + 1, R = N + 1, M, maxn = -(1 << 30);
for (int j = 0; j < 22; j++) {
M = (L + R) / 2;
int F = X.query(A + 1, M + 1);
if (F < G) { maxn = max(maxn, M); L = M; }
else { R = M; }
}
if (maxn != -(1 << 30) && A < N) score += (maxn - A);
printf("%d\n", score);
}
if (x[i] > A) {
int score = (x[i] - A), G = X.query(A + 1, x[i] + 1);
int L = 1, R = A, M, minx = (1 << 30);
for (int j = 0; j < 22; j++) {
M = (L + R) / 2;
int F = X.query(M, A);
if (F < G) { minx = min(minx, M); R = M; }
else { L = M; }
}
if (minx != (1 << 30) && 1 < A) score += (A - minx);
printf("%d\n", score);
}
}
}
}
vector<int>G[1 << 20], FF;
int Top10[12]; bool used[1 << 20];
void dfs(int pos) {
used[pos] = true;
for (int i = 0; i < G[pos].size(); i++) { if (used[G[pos][i]] == false) dfs(G[pos][i]); }
FF.push_back(pos);
}
int main() {
// 入力
scanf("%d%d", &N, &A);
for (int i = 1; i <= N; i++) scanf("%d", &P[i]);
scanf("%d", &Q);
for (int i = 1; i <= Q; i++) { while (op[i] != 'E' && op[i] != 'F') scanf("%c", &op[i]); if (op[i] == 'E') scanf("%d%d", &x[i], &e[i]); if (op[i] == 'F') scanf("%d", &x[i]); }
// 番号の整理
vector<pair<int, int>>S;
for (int i = 1; i <= N; i++) S.push_back(make_pair(P[i], i));
sort(S.begin(), S.end());
reverse(S.begin(), S.end());
for (int i = 0; i < S.size() - 1; i++) G[S[i].second].push_back(S[i + 1].second);
for (int i = 0; i < S.size(); i++) { if (i <= 11) Top10[i] = S[i].second; }
for (int i = 1; i <= Q; i++) {
if (op[i] == 'F') continue;
vector<pair<int, int>>vec;
for (int j = 0; j <= 11; j++) { if (Top10[j] >= 1) vec.push_back(make_pair(j * 2, Top10[j])); }
vec.push_back(make_pair(e[i] * 2 - 3, N + i));
sort(vec.begin(), vec.end());
map<int, int>Map; int cntv = 0;
for (int j = 0; j < vec.size(); j++) {
int cv = vec[j].second; if (cv > N) cv = x[cv - N];
if (Map[cv] == 1) continue;
Top10[cntv] = vec[j].second; cntv++;
Map[cv] = 1;
if (cntv == 12) break;
}
for (int j = 0; j <= 10; j++) { if (Top10[j] >= 1 && Top10[j + 1] >= 1) G[Top10[j]].push_back(Top10[j + 1]); }
}
for (int i = 1; i <= N + Q; i++) {
if (used[i] == false) dfs(i);
}
for (int i = 0; i < FF.size(); i++) {
if (FF[i] <= N) D[FF[i]] = i + 1;
else if (op[FF[i] - N] == 'E') e[FF[i] - N] = i + 1;
}
// 本質
solve();
return 0;
}
Compilation message
cake.cpp:9:0: warning: ignoring #pragma warning [-Wunknown-pragmas]
#pragma warning (disable: 4996)
cake.cpp: In function 'void dfs(int)':
cake.cpp:88:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < G[pos].size(); i++) { if (used[G[pos][i]] == false) dfs(G[pos][i]); }
~~^~~~~~~~~~~~~~~
cake.cpp: In function 'int main()':
cake.cpp:104:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < S.size() - 1; i++) G[S[i].second].push_back(S[i + 1].second);
~~^~~~~~~~~~~~~~
cake.cpp:105:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < S.size(); i++) { if (i <= 11) Top10[i] = S[i].second; }
~~^~~~~~~~~~
cake.cpp:116:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < vec.size(); j++) {
~~^~~~~~~~~~~~
cake.cpp:129:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < FF.size(); i++) {
~~^~~~~~~~~~~
cake.cpp:94:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &N, &A);
~~~~~^~~~~~~~~~~~~~~~
cake.cpp:95:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (int i = 1; i <= N; i++) scanf("%d", &P[i]);
~~~~~^~~~~~~~~~~~~
cake.cpp:96:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &Q);
~~~~~^~~~~~~~~~
cake.cpp:97:75: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (int i = 1; i <= Q; i++) { while (op[i] != 'E' && op[i] != 'F') scanf("%c", &op[i]); if (op[i] == 'E') scanf("%d%d", &x[i], &e[i]); if (op[i] == 'F') scanf("%d", &x[i]); }
~~~~~^~~~~~~~~~~~~~
cake.cpp:97:114: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (int i = 1; i <= Q; i++) { while (op[i] != 'E' && op[i] != 'F') scanf("%c", &op[i]); if (op[i] == 'E') scanf("%d%d", &x[i], &e[i]); if (op[i] == 'F') scanf("%d", &x[i]); }
~~~~~^~~~~~~~~~~~~~~~~~~~~~
cake.cpp:97:161: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (int i = 1; i <= Q; i++) { while (op[i] != 'E' && op[i] != 'F') scanf("%c", &op[i]); if (op[i] == 'E') scanf("%d%d", &x[i], &e[i]); if (op[i] == 'F') scanf("%d", &x[i]); }
~~~~~^~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
24960 KB |
Output is correct |
| 2 |
Correct |
27 ms |
25088 KB |
Output is correct |
| 3 |
Correct |
25 ms |
24960 KB |
Output is correct |
| 4 |
Correct |
37 ms |
25464 KB |
Output is correct |
| 5 |
Correct |
58 ms |
26488 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1251 ms |
71364 KB |
Output is correct |
| 2 |
Correct |
1034 ms |
74768 KB |
Output is correct |
| 3 |
Correct |
1107 ms |
71688 KB |
Output is correct |
| 4 |
Correct |
897 ms |
68088 KB |
Output is correct |
| 5 |
Correct |
1330 ms |
73720 KB |
Output is correct |
| 6 |
Correct |
1259 ms |
73452 KB |
Output is correct |
| 7 |
Correct |
1244 ms |
73956 KB |
Output is correct |
| 8 |
Correct |
1106 ms |
70216 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
538 ms |
35444 KB |
Output is correct |
| 2 |
Correct |
405 ms |
33244 KB |
Output is correct |
| 3 |
Correct |
434 ms |
33164 KB |
Output is correct |
| 4 |
Correct |
29 ms |
24960 KB |
Output is correct |
| 5 |
Correct |
587 ms |
47712 KB |
Output is correct |
| 6 |
Correct |
552 ms |
45792 KB |
Output is correct |
| 7 |
Correct |
351 ms |
41884 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
158 ms |
28140 KB |
Output is correct |
| 2 |
Correct |
216 ms |
28404 KB |
Output is correct |
| 3 |
Correct |
294 ms |
33936 KB |
Output is correct |
| 4 |
Correct |
282 ms |
32532 KB |
Output is correct |
| 5 |
Correct |
409 ms |
33524 KB |
Output is correct |
| 6 |
Correct |
557 ms |
39504 KB |
Output is correct |
| 7 |
Correct |
571 ms |
37544 KB |
Output is correct |
| 8 |
Correct |
501 ms |
51900 KB |
Output is correct |
| 9 |
Correct |
1874 ms |
74204 KB |
Output is correct |
| 10 |
Correct |
1348 ms |
52484 KB |
Output is correct |
| 11 |
Correct |
1430 ms |
53548 KB |
Output is correct |
| 12 |
Execution timed out |
2048 ms |
69580 KB |
Time limit exceeded |
| 13 |
Correct |
1838 ms |
72052 KB |
Output is correct |
