Submission #2709918
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int MAXN = 200005; int n, m, a[MAXN], cnt[MAXN], b[MAXN], ans = 0; int x, y; int main() { ios::sync_with_stdio(false); cin >> n >> m; for (int i = 1; i <= n; i++) { cin >> a[i]; cnt[a[i]]++; } for (int i = 1; i <= n; i++) for (int j = 0; j < cnt[i] && i-j >= 1; j++) b[i-j]++; for (int i = 1; i <= n; i++) ans += (b[i] == 0); for (int i = 1; i <= m; i++) { cin >> x >> y; if (a[x]-cnt[a[x]]+1 >= 1) ans += ((--b[a[x]-cnt[a[x]]+1])==0); cnt[a[x]]--, cnt[y]++, a[x] = y; if (y-cnt[y]+1 >= 1) ans -= ((b[y-cnt[y]+1]++)==0); cout << ans << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Snuke and Spells |
User | ljt12138 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 673 Byte |
Status | AC |
Exec Time | 395 ms |
Memory | 3840 KB |
Judge Result
Set Name | Sample | subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 500 / 500 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt, sample3.txt |
subtask | sample1.txt, sample2.txt, sample3.txt, subtask_a1.txt, subtask_a2.txt, subtask_a3.txt, subtask_a4.txt, subtask_a5.txt, subtask_a6.txt, subtask_b1.txt, subtask_b2.txt, subtask_c1.txt, subtask_c2.txt, subtask_d1.txt, subtask_d2.txt, subtask_d3.txt, subtask_d4.txt, subtask_e1.txt, subtask_e2.txt, subtask_e3.txt, subtask_e4.txt, subtask_f1.txt, subtask_f2.txt |
All | sample1.txt, sample2.txt, sample3.txt, a1.txt, a2.txt, a3.txt, a4.txt, a5.txt, a6.txt, b1.txt, b2.txt, c1.txt, c2.txt, d1.txt, d2.txt, d3.txt, d4.txt, e1.txt, e2.txt, e3.txt, e4.txt, f1.txt, f2.txt, sample1.txt, sample2.txt, sample3.txt, subtask_a1.txt, subtask_a2.txt, subtask_a3.txt, subtask_a4.txt, subtask_a5.txt, subtask_a6.txt, subtask_b1.txt, subtask_b2.txt, subtask_c1.txt, subtask_c2.txt, subtask_d1.txt, subtask_d2.txt, subtask_d3.txt, subtask_d4.txt, subtask_e1.txt, subtask_e2.txt, subtask_e3.txt, subtask_e4.txt, subtask_f1.txt, subtask_f2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a1.txt | AC | 374 ms | 3712 KB |
a2.txt | AC | 373 ms | 3712 KB |
a3.txt | AC | 367 ms | 3712 KB |
a4.txt | AC | 381 ms | 3840 KB |
a5.txt | AC | 375 ms | 3712 KB |
a6.txt | AC | 376 ms | 3840 KB |
b1.txt | AC | 377 ms | 3712 KB |
b2.txt | AC | 376 ms | 3712 KB |
c1.txt | AC | 395 ms | 3712 KB |
c2.txt | AC | 372 ms | 3712 KB |
d1.txt | AC | 378 ms | 3712 KB |
d2.txt | AC | 367 ms | 3712 KB |
d3.txt | AC | 372 ms | 3712 KB |
d4.txt | AC | 370 ms | 3712 KB |
e1.txt | AC | 372 ms | 3712 KB |
e2.txt | AC | 374 ms | 3712 KB |
e3.txt | AC | 370 ms | 3712 KB |
e4.txt | AC | 383 ms | 3712 KB |
f1.txt | AC | 351 ms | 3072 KB |
f2.txt | AC | 348 ms | 3072 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |
subtask_a1.txt | AC | 2 ms | 256 KB |
subtask_a2.txt | AC | 2 ms | 256 KB |
subtask_a3.txt | AC | 2 ms | 256 KB |
subtask_a4.txt | AC | 2 ms | 256 KB |
subtask_a5.txt | AC | 2 ms | 256 KB |
subtask_a6.txt | AC | 2 ms | 256 KB |
subtask_b1.txt | AC | 2 ms | 256 KB |
subtask_b2.txt | AC | 2 ms | 256 KB |
subtask_c1.txt | AC | 2 ms | 256 KB |
subtask_c2.txt | AC | 2 ms | 256 KB |
subtask_d1.txt | AC | 2 ms | 256 KB |
subtask_d2.txt | AC | 2 ms | 256 KB |
subtask_d3.txt | AC | 2 ms | 256 KB |
subtask_d4.txt | AC | 2 ms | 256 KB |
subtask_e1.txt | AC | 2 ms | 256 KB |
subtask_e2.txt | AC | 2 ms | 256 KB |
subtask_e3.txt | AC | 2 ms | 256 KB |
subtask_e4.txt | AC | 2 ms | 256 KB |
subtask_f1.txt | AC | 1 ms | 256 KB |
subtask_f2.txt | AC | 2 ms | 256 KB |