답안 #233295

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
233295	2020-05-20T08:47:02 Z	triple_fault	송금 (JOI19_remittance)	C++14	0 / 100	6 ms	436 KB

remittance

/* May 20 2020 */

#include <cstdio>
#include <vector>
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <set>
#include <map>
#include <random>

#define ll long long

using namespace std;

int main(void) {
    ll n; scanf("%lld", &n);
    ll a[n], b[n];
    for (ll i = 0; i < n; ++i) scanf("%lld%lld", &a[i], &b[i]);

    for (;;) {
        bool uhh = false;
        for (ll i = 0; i < n; ++i) {
            if (a[i] <= b[i]) continue;
            uhh = true;
            ll ts = (a[i] - b[i] + 1) / 2;
            a[(i + 1) % n] += ts; 
            a[i] -= (2 * ts);
        }

        if (!uhh) break;
    }

    for (ll i = 0; i < n; ++i) 
        if (a[i] != b[i]) {
            puts("No");
            return 0;
        }
    puts("Yes");
    return 0;
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:17:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     ll n; scanf("%lld", &n);
           ~~~~~^~~~~~~~~~~~
remittance.cpp:19:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (ll i = 0; i < n; ++i) scanf("%lld%lld", &a[i], &b[i]);
                                ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	6 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	6 ms	288 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	308 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	256 KB	Output is correct
18	Correct	6 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Incorrect	5 ms	436 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	6 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	6 ms	288 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	308 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	256 KB	Output is correct
18	Correct	6 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Incorrect	5 ms	436 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	6 ms	256 KB	Output is correct
5	Correct	5 ms	256 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	6 ms	288 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	256 KB	Output is correct
10	Correct	5 ms	256 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	256 KB	Output is correct
14	Correct	5 ms	308 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	256 KB	Output is correct
18	Correct	6 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Incorrect	5 ms	436 KB	Output isn't correct
21	Halted	0 ms	0 KB	-