oj.uz

Submission #204955

# Submission time Handle Problem Language Result Execution time Memory
204955 2020-02-27T15:07:25 Z Haunted_Cpp Palindromes (info1cup18_palindromes) C++17
100 / 100
 173 ms 9976 KB 
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <algorithm>
#include <cstring>
#include <cassert>
using namespace std;
 
#define FOR(i, a, b) for (int i = a; i < (int) b; i++)
#define F0R(i, a) FOR(i, 0, a)
#define ROF(i, a, b) for (int i = a; i >= (int) b; i--)
#define R0F(i, a) ROF(i, a, 0)
#define GO(i, a) for (auto i : a)
 
#define f first
#define s second
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
 
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
typedef vector<vi> vvi;
typedef vector<vpii> vvpii;
typedef long long i64;
typedef vector<i64> vi64;
 
const int dr[] = {+1, -1, +0, +0, +1, -1, +1, -1};
const int dc[] = {+0, +0, +1, -1, +1, -1, -1, +1};
const int ms[] = {+31, +29, +31, 30, +31, +30, +31, +31, +30, +31, +30, +31};

void setIO(string nome) {
  ios_base::sync_with_stdio(0); cin.tie(0);
  freopen ((nome + ".in").c_str(), "r", stdin);
  freopen ((nome + ".out").c_str(), "w", stdout);
}

int reverse (int n) {
  int res = 0;
  while (n) {
    res = res * 10 + (n % 10);
    n /= 10;
  }
  return res;
}

bool valid (int n) {
  return n == reverse (n);
}

int main () {
  ios_base::sync_with_stdio(0); 
  cin.tie(0);
  int n;
  cin >> n;
  i64 tot = 0;
  F0R (i, n) {
    int foo;
    cin >> foo;
    if (valid(foo)) tot += foo;
  }
  cout << tot << '\n';
  return 0;
}

Compilation message

palindromes.cpp: In function 'void setIO(std::__cxx11::string)':
palindromes.cpp:38:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen ((nome + ".in").c_str(), "r", stdin);
   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
palindromes.cpp:39:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen ((nome + ".out").c_str(), "w", stdout);
   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 7 ms 504 KB Output is correct
3 Correct 85 ms 5240 KB Output is correct
4 Correct 131 ms 7544 KB Output is correct
5 Correct 168 ms 9976 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 42 ms 1784 KB Output is correct
4 Correct 71 ms 3192 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 42 ms 1784 KB Output is correct
4 Correct 71 ms 3192 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 71 ms 3320 KB Output is correct
8 Correct 90 ms 4240 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 7 ms 504 KB Output is correct
3 Correct 85 ms 5240 KB Output is correct
4 Correct 131 ms 7544 KB Output is correct
5 Correct 168 ms 9976 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 42 ms 1784 KB Output is correct
9 Correct 71 ms 3192 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 71 ms 3320 KB Output is correct
13 Correct 90 ms 4240 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 11 ms 636 KB Output is correct
16 Correct 79 ms 4216 KB Output is correct
17 Correct 155 ms 9080 KB Output is correct
18 Correct 173 ms 9976 KB Output is correct
19 Correct 168 ms 9976 KB Output is correct
20 Correct 165 ms 9976 KB Output is correct