# include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 2;
long long n, q, d[N], p[N];
int main(){
cin >> n >> q;
int cn = 0;
for(int i = 1; i <= n; i ++){
cin >> d[i];
if(d[i] == 1) cn ++;
}
if(cn == n){
for(int i = 1; i <= q; i ++){
int t, l, r;
cin >> t >> l >> r;
int L = t - n, R = t;
if(l > R || L > r) {
cout << 0 << endl;
continue;
}
if(l <= L && R <= r){
cout << R - L + 1 << endl;
continue;
}
if(l <= L && L <= r){
cout << r - L + 1 << endl;
continue;
}
if(l <= R && R <= r){
cout << R - l + 1 << endl;
continue;
}
if(L <= l && r <= R){
cout << r - l + 1 << endl;
continue;
}
}
return 0;
}
for(int i = 1; i <= n; i ++){
p[i] = -i;
}
for(int i = 2; i <= n; i ++){
int lo = 0, hi = 1e9;
while(hi - lo > 1){
int md = (lo + hi) >> 1;
if((p[i - 1] + d[i - 1] * md - p[i]) > d[i])
hi = md;
else
lo = md;
}
if((p[i - 1] + d[i - 1] * lo - p[i]) > d[i]) hi = lo;
d[i] = p[i - 1] + d[i - 1] * hi - 1 - p[i];
}
for(int i = 1; i <= q; i ++){
int t, l, r;
cin >> t >> l >> r;
p[0] = t;
int cnt = 0;
if(p[0] >= l && p[0] <= r) cnt ++;
for(int j = 1; j <= n; j ++){
p[j] = -j;
p[j] += (p[j - 1] - p[j] - 1) / d[j] * d[j];
if(p[j] >= l & p[j] <= r) cnt ++;
}
cout << cnt << endl;
}
}
/**
3 1
2
5
3
4 2 4
**/
Compilation message
worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:74:27: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
if(p[j] >= l & p[j] <= r) cnt ++;
~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1646 ms |
7180 KB |
Output is correct |
2 |
Correct |
1672 ms |
7304 KB |
Output is correct |
3 |
Correct |
1687 ms |
7380 KB |
Output is correct |
4 |
Correct |
1703 ms |
7380 KB |
Output is correct |
5 |
Correct |
1893 ms |
7380 KB |
Output is correct |
6 |
Correct |
1572 ms |
7380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
28 ms |
7380 KB |
Output is correct |
2 |
Correct |
29 ms |
7380 KB |
Output is correct |
3 |
Correct |
28 ms |
7380 KB |
Output is correct |
4 |
Correct |
28 ms |
7380 KB |
Output is correct |
5 |
Correct |
28 ms |
7380 KB |
Output is correct |
6 |
Correct |
31 ms |
7380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1646 ms |
7180 KB |
Output is correct |
2 |
Correct |
1672 ms |
7304 KB |
Output is correct |
3 |
Correct |
1687 ms |
7380 KB |
Output is correct |
4 |
Correct |
1703 ms |
7380 KB |
Output is correct |
5 |
Correct |
1893 ms |
7380 KB |
Output is correct |
6 |
Correct |
1572 ms |
7380 KB |
Output is correct |
7 |
Correct |
28 ms |
7380 KB |
Output is correct |
8 |
Correct |
29 ms |
7380 KB |
Output is correct |
9 |
Correct |
28 ms |
7380 KB |
Output is correct |
10 |
Correct |
28 ms |
7380 KB |
Output is correct |
11 |
Correct |
28 ms |
7380 KB |
Output is correct |
12 |
Correct |
31 ms |
7380 KB |
Output is correct |
13 |
Execution timed out |
2053 ms |
8508 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |