Submission #224551

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
224551	2020-04-18 11:48:38	Berted	Solar Storm (NOI20_solarstorm)	C++14	100 / 100	713 ms	186404 KiB

SolarStorm

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#include <iostream>
#include <vector>
#define vi vector<int>
#define fst first
#define snd second
#define pub push_back
#define ll long long
using namespace std;
const int MX = 1000001, LG = 20;
int s, n;
ll k, dst[MX] = {}, vpf[MX] = {}, sps[MX][LG] = {}, mx, rs, i1, i2, dst1, dst2;
vector<int> ans;
int main()
{
  ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
  cin >> n >> s >> k;
  for (int i = 1; i < n; i++) {cin >> dst[i];}
  for (int i = 1; i <= n; i++) {cin >> vpf[i]; vpf[i] += vpf[i - 1];}
  //i1 = i2 = 1;
  for (int i = 0; i < n; i++)
  {
    if (i2 < i) {dst2 = dst1 = 0; i2 = i1 = i;}
    else if (i1 < i) {dst1 = 0; dst2 -= dst[i]; i1 = i;}
    else {dst1 -= dst[i];}
    for (; i1 < n - 1 && dst1 + dst[i1 + 1] <= k; i1++)
    {
      dst1 += dst[i1 + 1];
      if (i1 + 1 <= i2) {dst2 -= dst[i1 + 1];}
      else {i2++;}
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

SolarStorm.cpp: In function 'int main()':
SolarStorm.cpp:66:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (ans.size() < s && rs < n)
         ~~~~~~~~~~~^~~
SolarStorm.cpp:87:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < ans.size(); i++)
                  ~~^~~~~~~~~~~~
SolarStorm.cpp:90:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i < ans.size() - 1) {cout << " ";}
       ~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 7 / 7
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 18 / 18
• Subtask 6: 16 / 16
• Subtask 7: 30 / 30