Submission #43424250

Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int n;
long long x[200005], ans;

int main() {
	scanf("%d", &n);
	for (int i = 0; i < n; i++) {
		long long ta, tb;
		scanf("%lld%lld", &ta, &tb);
		ans += tb;
		x[i] = ta - tb;
	}
	sort(x, x + n, greater<long long>());
	for (int i = 0; i + 1 < n; i += 2)
		if (x[i] + x[i + 1] > 0)
			ans += x[i] + x[i + 1];
	printf("%lld\n", ans);
}

Submission Info

Submission Time
Task C - Reversible Card Game
User nhho
Language C++ (GCC 9.2.1)
Score 500
Code Size 405 Byte
Status AC
Exec Time 65 ms
Memory 5232 KiB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
./Main.cpp:12:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf("%lld%lld", &ta, &tb);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 2
AC × 40
Set Name Test Cases
Sample sample-01.txt, sample-02.txt
All in-01.txt, in-02.txt, in-03.txt, in-04.txt, in-05.txt, in-06.txt, in-07.txt, in-08.txt, in-09.txt, in-10.txt, in-11.txt, in-12.txt, in-13.txt, in-14.txt, in-15.txt, in-16.txt, in-17.txt, in-18.txt, in-19.txt, in-20.txt, in-21.txt, in-22.txt, in-23.txt, in-24.txt, in-25.txt, in-26.txt, in-27.txt, in-28.txt, in-29.txt, in-30.txt, in-31.txt, in-32.txt, in-33.txt, in-34.txt, in-35.txt, in-36.txt, in-37.txt, in-38.txt, sample-01.txt, sample-02.txt
Case Name Status Exec Time Memory
in-01.txt AC 63 ms 5120 KiB
in-02.txt AC 53 ms 5208 KiB
in-03.txt AC 53 ms 5180 KiB
in-04.txt AC 53 ms 5180 KiB
in-05.txt AC 57 ms 5080 KiB
in-06.txt AC 53 ms 5220 KiB
in-07.txt AC 53 ms 5232 KiB
in-08.txt AC 2 ms 3620 KiB
in-09.txt AC 2 ms 3664 KiB
in-10.txt AC 2 ms 3664 KiB
in-11.txt AC 2 ms 3588 KiB
in-12.txt AC 2 ms 3652 KiB
in-13.txt AC 2 ms 3652 KiB
in-14.txt AC 3 ms 3544 KiB
in-15.txt AC 2 ms 3620 KiB
in-16.txt AC 2 ms 3548 KiB
in-17.txt AC 2 ms 3576 KiB
in-18.txt AC 2 ms 3588 KiB
in-19.txt AC 18 ms 3948 KiB
in-20.txt AC 17 ms 3728 KiB
in-21.txt AC 39 ms 4548 KiB
in-22.txt AC 51 ms 4728 KiB
in-23.txt AC 43 ms 4528 KiB
in-24.txt AC 2 ms 3516 KiB
in-25.txt AC 2 ms 3516 KiB
in-26.txt AC 5 ms 3568 KiB
in-27.txt AC 2 ms 3548 KiB
in-28.txt AC 2 ms 3544 KiB
in-29.txt AC 2 ms 3652 KiB
in-30.txt AC 2 ms 3592 KiB
in-31.txt AC 2 ms 3524 KiB
in-32.txt AC 3 ms 3620 KiB
in-33.txt AC 2 ms 3668 KiB
in-34.txt AC 62 ms 5076 KiB
in-35.txt AC 65 ms 5176 KiB
in-36.txt AC 62 ms 5076 KiB
in-37.txt AC 62 ms 5064 KiB
in-38.txt AC 62 ms 5228 KiB
sample-01.txt AC 3 ms 3572 KiB
sample-02.txt AC 2 ms 3548 KiB