Submission #4050148
Source Code Expand
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll X[100010], Y[100010]; ll turnR[100010], turnL[100010]; int main() { ll N, C; cin >> N >> C; for (int i = 0; i < N; i++) { cin >> X[i] >> Y[i]; } ll sum = 0, maxv = 0; for(int i = 0; i < N; i++) { sum += Y[i]; maxv = max(maxv, sum - X[i]); turnL[i] = maxv; } sum = 0, maxv = 0; for(int i = N -1; i >= 0; i--) { sum += Y[i]; maxv = max(maxv, sum - (C -X[i])); turnR[i] = maxv; } ll ans = 0; for (int i = 0; i < N; i++) { ll tmp = turnL[i]; if (i < N -1) { tmp += max(0LL, turnR[i + 1] - X[i]); } ans = max(ans, tmp); } for (int i = N -1; i >= 0; i--) { ll tmp = turnR[i]; if (i) { tmp += max(0LL, turnL[i - 1] - (C- X[i])); } ans = max(ans, tmp); } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Static Sushi |
User | brazil_france |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 907 Byte |
Status | AC |
Exec Time | 98 ms |
Memory | 3328 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | 200 / 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 | AC | 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 | AC | 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 | 45 ms | 3328 KB |
c31 | AC | 72 ms | 3328 KB |
c32 | AC | 97 ms | 3328 KB |
c33 | AC | 98 ms | 3328 KB |
c34 | AC | 97 ms | 3328 KB |
c35 | AC | 45 ms | 3328 KB |
c36 | AC | 94 ms | 3328 KB |
c37 | AC | 90 ms | 3328 KB |
c38 | AC | 90 ms | 3328 KB |
c39 | AC | 91 ms | 3328 KB |
c40 | AC | 92 ms | 3328 KB |
c41 | AC | 89 ms | 3328 KB |
c42 | AC | 90 ms | 3328 KB |
c43 | AC | 10 ms | 512 KB |
c44 | AC | 89 ms | 3328 KB |
c45 | AC | 2 ms | 256 KB |
c46 | AC | 88 ms | 3328 KB |
c47 | AC | 1 ms | 256 KB |
c48 | AC | 90 ms | 3328 KB |
c49 | AC | 89 ms | 3328 KB |
c50 | AC | 93 ms | 3328 KB |