Submission #3426658
Source Code Expand
#include <iostream> #include <vector> #include <numeric> #include <algorithm> using namespace std; using Int = long long; int main() { Int N, C; cin >> N >> C; vector<Int> X(N+1), V(N+1); for (int i = 1; i <= N; i++) cin >> X[i] >> V[i]; vector<Int> cw(N+1), ccw(N+1); vector<bool> cwb(N+1), ccwb(N+1); for (int i = 1; i <= N; i++) { cw[i] = cw[i-1] + V[i]; ccw[i] = ccw[i-1] + V[N+1-i]; } Int bestcw = 0, bestccw = 0; for (int i = 1; i <= N; i++) { Int s = cw[i] - X[i]; if (s > bestcw) { bestcw = s; cwb[i] = true; } } for (int i = 1; i <= N; i++) { Int s = ccw[i] - (C - X[N+1-i]); if (s > bestccw) { bestccw = s; ccwb[i] = true; } } Int result = max(bestcw, bestccw); Int j; j = N; for (int i = 1; i <= N - 1; i++) { j = min(j, N - i); while (j > 0 && !ccwb[j]) j--; result = max(result, cw[i] - 2*X[i] + ccw[j] - (C - X[N+1-j])); } j = N; for (int i = 1; i <= N - 1; i++) { j = min(j, N - i); while (j > 0 && !cwb[j]) j--; result = max(result, ccw[i] - 2*(C - X[N+1-i]) + cw[j] - X[j]); } cout << result << endl; return 0; }
Submission Info
Submission Time | |
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Task | D - Static Sushi |
User | ha15 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1330 Byte |
Status | WA |
Exec Time | 100 ms |
Memory | 3456 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 300 | 0 / 200 | ||||||||||
Status |
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Set Name | Test Cases |
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Sample | a01, a02, a03, a04 |
Subtask1 | a01, a02, a03, a04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29 |
Subtask2 | a01, a02, a03, a04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, c30, c31, c32, c33, c34, c35, c36, c37, c38, c39, c40, c41, c42, c43, c44, c45, c46, c47, c48, c49, c50 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 1 ms | 256 KB |
a02 | AC | 1 ms | 256 KB |
a03 | AC | 1 ms | 256 KB |
a04 | AC | 1 ms | 256 KB |
b05 | AC | 1 ms | 256 KB |
b06 | AC | 1 ms | 256 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 1 ms | 256 KB |
b09 | WA | 1 ms | 256 KB |
b10 | AC | 1 ms | 256 KB |
b11 | AC | 1 ms | 256 KB |
b12 | AC | 1 ms | 256 KB |
b13 | AC | 1 ms | 256 KB |
b14 | WA | 1 ms | 256 KB |
b15 | AC | 1 ms | 256 KB |
b16 | AC | 1 ms | 256 KB |
b17 | AC | 1 ms | 256 KB |
b18 | AC | 1 ms | 256 KB |
b19 | AC | 1 ms | 256 KB |
b20 | AC | 1 ms | 256 KB |
b21 | AC | 1 ms | 256 KB |
b22 | AC | 1 ms | 256 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 1 ms | 256 KB |
b25 | AC | 1 ms | 256 KB |
b26 | AC | 1 ms | 256 KB |
b27 | AC | 1 ms | 256 KB |
b28 | AC | 1 ms | 256 KB |
b29 | AC | 1 ms | 256 KB |
c30 | AC | 47 ms | 3456 KB |
c31 | AC | 76 ms | 3456 KB |
c32 | AC | 100 ms | 3456 KB |
c33 | AC | 100 ms | 3456 KB |
c34 | AC | 100 ms | 3456 KB |
c35 | AC | 47 ms | 3456 KB |
c36 | AC | 96 ms | 3456 KB |
c37 | AC | 92 ms | 3456 KB |
c38 | AC | 92 ms | 3456 KB |
c39 | AC | 93 ms | 3456 KB |
c40 | AC | 94 ms | 3456 KB |
c41 | AC | 91 ms | 3456 KB |
c42 | AC | 92 ms | 3456 KB |
c43 | AC | 10 ms | 512 KB |
c44 | AC | 92 ms | 3456 KB |
c45 | AC | 2 ms | 256 KB |
c46 | AC | 90 ms | 3456 KB |
c47 | AC | 1 ms | 256 KB |
c48 | AC | 92 ms | 3456 KB |
c49 | AC | 91 ms | 3456 KB |
c50 | AC | 93 ms | 3456 KB |