Submission #15721

#	Time	Username	Problem	Language	Result	Execution time	Memory
15721		cki86201	최적의 능력 구성 (kriii3_C)	C++98	62 / 62	405 ms	13372 KiB

C

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

double d[1 << 20], ans;
int p[22][2], n, bit[1 << 20];

int main(){
	scanf("%d", &n);
	for (int i = 0; i < n; i++)scanf("%d%d", p[i], p[i] + 1);
	for (int i = 1; i < 1 << n; i++)for (int j = 0; j < n; j++)if ((1 << j) & i)bit[i]++;
	for (int i = 0; i < 1 << n; i++){
		for (int j = 0; j < n; j++){
			if (!((1 << j) & i)){
				d[1 << j | i] += 1.0 / bit[1 << j | i] * (p[j][0] / 100.0 * p[j][1] + (100 - p[j][0]) / 100.0 * d[i]);
			}
		}
		if (ans < d[i])ans = d[i];
	}
	printf("%.10f", ans);
	return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 37 / 37