Submission #1114838


Source Code Expand

#include <cstdio>
#include <iostream>

typedef long long i64;

#define MID ((l+r)>>1)

i64 N, M;

void exec() {
  i64 l(-1), r(1e12+1);
  scanf("%lld%lld", &N, &M);
  while (l+1 < r) {
    (std::min(N + std::max((M-MID*2) / 2, 0ll), M/2) >= MID? l : r) = MID;
  }
  printf("%lld\n", l);
}

int main() {
  if (fopen("C.in", "r") != NULL) {
    freopen("C.in", "r", stdin);
    freopen("C.out", "w", stdout);
  }
  exec();
  return 0;
}

Submission Info

Submission Time
Task C - Scc Puzzle
User fuboat
Language C++14 (GCC 5.4.1)
Score 300
Code Size 461 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Compile Error

./Main.cpp: In function ‘void exec()’:
./Main.cpp:12:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &N, &M);
                            ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:21:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
     freopen("C.in", "r", stdin);
                                ^
./Main.cpp:22:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
     freopen("C.out", "w", stdout);
                                  ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 9
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt
All 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 1 ms 256 KB
00_example_02.txt AC 1 ms 256 KB
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB