Submission #917942

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
917942	2024-01-29 06:32:55	nightfal	고대 책들 (IOI17_books)	C++14	50 / 100	109 ms	25480 KiB

books

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#include <cstdio>
#include <vector>
#include <cassert>
#include <cstdlib>
#include <tuple>
#include <climits>
using namespace std;
bool isSubtask3(int s) {return s==0;}
bool isSubtask4(int n) {return n<=1000;}
long long subtask3(vector<int> p, int s = 0, int e = -1 , int dir = 1) {
    int n = p.size(), last = s;
    if (e==-1) e = n-1;
    long long total = 0;
    for(int i=s; dir==1 && i<=e || dir==-1 && i>=e; i += dir) {
        if (i==p[i]) continue;
        if (dir*(i-last) > 0) total += abs(i-last)*2;
        total += abs(p[i]-i);
        last = dir==1? max(last,p[i]):min(last,p[i]);
    }
  return total;
}
long long cal(vector<int> p, int l, int r, int lmost, int rmost, vector<vector<long long>>& dp) {
    if (dp[l][r]!=LLONG_MAX) return dp[l][r];
    int n = p.size(); 
    long long temp1=LLONG_MAX, temp2=LLONG_MAX;
 
 
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Compilation message (stderr)

books.cpp: In function 'long long int subtask3(std::vector<int>, int, int, int)':
books.cpp:18:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   18 |     for(int i=s; dir==1 && i<=e || dir==-1 && i>=e; i += dir) {
      |                  ~~~~~~~^~~~~~~
books.cpp: In function 'long long int fulltask(std::vector<int>, int)':
books.cpp:80:14: warning: unused variable 'lStart' [-Wunused-variable]
   80 |     int l=s, lStart=s, r=s, rStart=s, moveL=0, moveR=0;
      |              ^~~~~~
books.cpp:80:29: warning: unused variable 'rStart' [-Wunused-variable]
   80 |     int l=s, lStart=s, r=s, rStart=s, moveL=0, moveR=0;
      |                             ^~~~~~
books.cpp:80:39: warning: unused variable 'moveL' [-Wunused-variable]
   80 |     int l=s, lStart=s, r=s, rStart=s, moveL=0, moveR=0;
      |                                       ^~~~~
books.cpp:80:48: warning: unused variable 'moveR' [-Wunused-variable]
   80 |     int l=s, lStart=s, r=s, rStart=s, moveL=0, moveR=0;
      |                                                ^~~~~

• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 28 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30