#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
const ll N = 3e3 + 1;
const ll M = 1e9 + 7;
ll n;
ll a[N], b[N], d[N];
ll f[(ll)3e4 + 1], of[(ll)3e4 + 1];
void doTest(ll testID) {
cin >> n; ll sum = 0;
for (int i = 1; i <= n; i ++) {
cin >> a[i] >> b[i];
d[i] = d[i - 1] + a[i] - b[i];
}
memset(f, 0x3f, sizeof f);
of[0] = 0;
for (int i = 1; i <= n; i ++) {
for (int j = 0; j <= d[n]; j ++) {
if (j != 0) f[j] = f[j - 1];
f[j] = min(f[j], of[j] + abs(d[i] - j));
// cout << "Debug: " << i << ' ' << j << ' ' << f[j] << ' ' << << endl;
}
for (int j = 0; j <= d[n]; j ++) {
of[j] = f[j];
f[j] = 1e18;
}
}
cout << of[d[n]];
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int test = 1;
// cin >> test;
for (int _ = 1; _ <= test; _ ++) doTest(_);
}
Compilation message
bulves.cpp: In function 'void doTest(ll)':
bulves.cpp:15:18: warning: unused variable 'sum' [-Wunused-variable]
15 | cin >> n; ll sum = 0;
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Incorrect |
1 ms |
592 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Incorrect |
1 ms |
592 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Correct |
4 ms |
592 KB |
Output is correct |
5 |
Correct |
16 ms |
592 KB |
Output is correct |
6 |
Correct |
77 ms |
884 KB |
Output is correct |
7 |
Correct |
1 ms |
760 KB |
Output is correct |
8 |
Correct |
7 ms |
792 KB |
Output is correct |
9 |
Correct |
7 ms |
592 KB |
Output is correct |
10 |
Correct |
1 ms |
592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Correct |
1 ms |
592 KB |
Output is correct |
5 |
Correct |
4 ms |
592 KB |
Output is correct |
6 |
Correct |
16 ms |
592 KB |
Output is correct |
7 |
Correct |
77 ms |
884 KB |
Output is correct |
8 |
Correct |
1 ms |
760 KB |
Output is correct |
9 |
Correct |
7 ms |
792 KB |
Output is correct |
10 |
Correct |
7 ms |
592 KB |
Output is correct |
11 |
Correct |
1 ms |
592 KB |
Output is correct |
12 |
Runtime error |
3 ms |
1272 KB |
Execution killed with signal 11 |
13 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
592 KB |
Output is correct |
2 |
Correct |
1 ms |
592 KB |
Output is correct |
3 |
Correct |
1 ms |
592 KB |
Output is correct |
4 |
Correct |
1 ms |
592 KB |
Output is correct |
5 |
Correct |
4 ms |
592 KB |
Output is correct |
6 |
Correct |
16 ms |
592 KB |
Output is correct |
7 |
Correct |
77 ms |
884 KB |
Output is correct |
8 |
Correct |
1 ms |
760 KB |
Output is correct |
9 |
Correct |
7 ms |
792 KB |
Output is correct |
10 |
Correct |
7 ms |
592 KB |
Output is correct |
11 |
Incorrect |
1 ms |
592 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |