Submission #776027

# Submission time Handle Problem Language Result Execution time Memory
776027 2023-07-07T08:38:46 Z peteza Ancient Books (IOI17_books) C++14
0 / 100
1 ms 308 KB
#include <bits/stdc++.h>
#include "books.h"
using namespace std;

int qs[1000005];
long long minimum_walk(std::vector<int> p, int s) {
    int cur = 0, cv = 0, curcnt = 0;
    long long cans = 0;
    for(int i=0;i<=p.size();i++) qs[i] = 0;
    for(int i=0;i<p.size();i++) {
        qs[min(i, p[i])]++; qs[max(i, p[i])]--;
    }
    for(int i=0;i<p.size();i++) {
        if(!cv) cur++, curcnt++;
        else curcnt = 0;
        cv += qs[i];
        cans += cv;
    }
	return cans + 2*(cur-curcnt);
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(int i=0;i<=p.size();i++) qs[i] = 0;
      |                 ~^~~~~~~~~~
books.cpp:10:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i=0;i<p.size();i++) {
      |                 ~^~~~~~~~~
books.cpp:13:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i=0;i<p.size();i++) {
      |                 ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 308 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2746'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '6', found: '8'
2 Halted 0 ms 0 KB -