#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
int x[N], g[N], d[N];
int main(){
int n;
cin >> n;
long long curenergy = 0, curgold = 0;
for(int i = 1; i <= n; i++){
cin >> x[i] >> g[i] >> d[i];
curgold += g[i];
curenergy += d[i];
}
int l = 1, r = n;
while(x[r] - x[l] > curenergy){
if(r - l == 1){
if(g[r] > g[l]){
curgold -= g[l];
curenergy -= d[l];
l++;
}else{
curgold -= g[r];
curenergy -= d[r];
r--;
}
}else{
if(curenergy - d[l] >= x[r] - x[l + 1] && curenergy - d[r] >= x[r - 1] - x[l]){
if(g[r] > g[l]){
curgold -= g[l];
curenergy -= d[l];
l++;
}else{
curgold -= g[r];
curenergy -= d[r];
r--;
}
}else if(curenergy - d[l] >= x[r] - x[l + 1]){
curgold -= g[l];
curenergy -= d[l];
l++;
}else if(curenergy - d[r] >= x[r - 1] - x[l]){
curgold -= g[r];
curenergy -= d[r];
r--;
}else{
curgold -= g[l];
curgold -= g[r];
curenergy -= d[l];
curenergy -= d[r];
l++;
r--;
}
}
}
cout << curgold << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
504 KB |
Output is correct |
2 |
Correct |
13 ms |
604 KB |
Output is correct |
3 |
Correct |
18 ms |
604 KB |
Output is correct |
4 |
Correct |
90 ms |
1036 KB |
Output is correct |
5 |
Correct |
102 ms |
1144 KB |
Output is correct |
6 |
Correct |
220 ms |
1700 KB |
Output is correct |
7 |
Correct |
150 ms |
1784 KB |
Output is correct |
8 |
Correct |
156 ms |
1660 KB |
Output is correct |
9 |
Correct |
144 ms |
1756 KB |
Output is correct |
10 |
Incorrect |
143 ms |
1656 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |