#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define int long long
using namespace std;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, q;
cin >> n >> q;
vector<int> a(n);
for(int i = 0; i < n; ++i){
cin >> a[i];
}
while(q--){
int x, y;
cin >> x >> y;
--x;
a[x] += y;
int ans = 0, h = 0;
vector<int> b(2 * n), c(2 * n);
for(int i = 0; i < n; ++i){
if(a[i] % 2){
c[i] = 1;
}
b[i * 2] = a[i] / 2;
}
for(int i = 0; i < 2 * n; ++i){
ans += b[i];
h += c[i];
h -= b[i];
while(h < 0){
--ans;
h += 3;
}
}
cout << ans << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
14 ms |
404 KB |
Output is correct |
7 |
Correct |
17 ms |
464 KB |
Output is correct |
8 |
Correct |
8 ms |
340 KB |
Output is correct |
9 |
Correct |
15 ms |
404 KB |
Output is correct |
10 |
Correct |
15 ms |
404 KB |
Output is correct |
11 |
Correct |
14 ms |
340 KB |
Output is correct |
12 |
Correct |
15 ms |
396 KB |
Output is correct |
13 |
Correct |
15 ms |
400 KB |
Output is correct |
14 |
Correct |
11 ms |
368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
14 ms |
404 KB |
Output is correct |
7 |
Correct |
17 ms |
464 KB |
Output is correct |
8 |
Correct |
8 ms |
340 KB |
Output is correct |
9 |
Correct |
15 ms |
404 KB |
Output is correct |
10 |
Correct |
15 ms |
404 KB |
Output is correct |
11 |
Correct |
14 ms |
340 KB |
Output is correct |
12 |
Correct |
15 ms |
396 KB |
Output is correct |
13 |
Correct |
15 ms |
400 KB |
Output is correct |
14 |
Correct |
11 ms |
368 KB |
Output is correct |
15 |
Correct |
19 ms |
316 KB |
Output is correct |
16 |
Correct |
57 ms |
292 KB |
Output is correct |
17 |
Execution timed out |
4024 ms |
340 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
468 KB |
Output is correct |
2 |
Correct |
17 ms |
408 KB |
Output is correct |
3 |
Correct |
56 ms |
680 KB |
Output is correct |
4 |
Execution timed out |
4069 ms |
8340 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
340 KB |
Output is correct |
2 |
Execution timed out |
4062 ms |
340 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
14 ms |
404 KB |
Output is correct |
7 |
Correct |
17 ms |
464 KB |
Output is correct |
8 |
Correct |
8 ms |
340 KB |
Output is correct |
9 |
Correct |
15 ms |
404 KB |
Output is correct |
10 |
Correct |
15 ms |
404 KB |
Output is correct |
11 |
Correct |
14 ms |
340 KB |
Output is correct |
12 |
Correct |
15 ms |
396 KB |
Output is correct |
13 |
Correct |
15 ms |
400 KB |
Output is correct |
14 |
Correct |
11 ms |
368 KB |
Output is correct |
15 |
Correct |
19 ms |
316 KB |
Output is correct |
16 |
Correct |
57 ms |
292 KB |
Output is correct |
17 |
Execution timed out |
4024 ms |
340 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |