Submission #992857


Source Code Expand

#include<cstdio>

using namespace std;

int N;

bool check(int m){
	int sum = 0;
	for(int i = m; i >= 1; --i){
		if(sum + i <= N) sum += i;
	}
	return sum == N;
}

void output(int m){
	int sum = 0;
	for(int i = m; i >= 1; --i){
		if(sum + i <= N){
			printf("%d\n", i);
			sum += i;
		}
	}
}

void solve(){
	int lb = 0, ub = N;
	while(ub - lb > 1){
		int mid = (ub + lb) / 2;
		if(check(mid)){
			ub = mid;
		}else{
			lb = mid;
		}
	}
	output(ub);
}

int main(){
	scanf("%d", &N);
	solve();
	return 0;
}

Submission Info

Submission Time
Task B - Exactly N points
User wo01
Language C++14 (GCC 5.4.1)
Score 300
Code Size 547 Byte
Status AC
Exec Time 15 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:39:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 3
AC × 13
AC × 21
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt
Case Name Status Exec Time Memory
01-01.txt AC 1 ms 128 KB
01-02.txt AC 1 ms 128 KB
01-03.txt AC 1 ms 128 KB
01-04.txt AC 1 ms 128 KB
01-05.txt AC 1 ms 128 KB
01-06.txt AC 1 ms 128 KB
01-07.txt AC 1 ms 128 KB
01-08.txt AC 1 ms 128 KB
01-09.txt AC 1 ms 128 KB
01-10.txt AC 1 ms 128 KB
02-01.txt AC 15 ms 128 KB
02-02.txt AC 15 ms 128 KB
02-03.txt AC 15 ms 128 KB
02-04.txt AC 15 ms 128 KB
02-05.txt AC 15 ms 128 KB
02-06.txt AC 5 ms 128 KB
02-07.txt AC 3 ms 128 KB
02-08.txt AC 14 ms 128 KB
sample-01.txt AC 1 ms 128 KB
sample-02.txt AC 1 ms 128 KB
sample-03.txt AC 1 ms 128 KB