Submission #595289

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Source Code Expand

#include<cstdio>
#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cstring>
using namespace std;

typedef long long LL;
typedef vector<int> VI;

#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define EACH(i,c) for(__typeof((c).begin()) i=(c).begin(),i##_end=(c).end();i!=i##_end;++i)
#define eprintf(s...) fprintf(stderr, s)

template<class T> inline void amin(T &a, const T &b) { if (b<a) a=b; }
template<class T> inline void amax(T &a, const T &b) { if (a<b) a=b; }


double E[4][101][101][101];
const double INF = 1e12;

int A, B, C;
double pa, pb, pc;
int main() {
    scanf("%d%d%d", &A, &B, &C);
    scanf("%lf%lf%lf", &pa, &pb, &pc);
    pa /= 100; pb /= 100; pc /= 100;
    REP (a, A+1) REP (b, B+1) REP (c, C+1) {
	if (a+b+c == 0) {
	    continue;
	}


	REP (i, 4) E[i][a][b][c] = INF;
	if (a && pa > 0) amin(E[0][a][b][c], 1/pa + E[1][a-1][b][c]);
	if (b && pb > 0) amin(E[0][a][b][c], 1/pb + E[1][a][b-1][c]);
	if (c && pc > 0) amin(E[0][a][b][c], 1/pc + E[1][a][b][c-1]);

	if (a && pa > 0) amin(E[1][a][b][c], pa * E[2][a-1][b][c] + (1-pa)*E[0][a][b][c]);
	if (b && pb > 0) amin(E[1][a][b][c], pb * E[2][a][b-1][c] + (1-pb)*E[0][a][b][c]);
	if (c && pc > 0) amin(E[1][a][b][c], pc * E[2][a][b][c-1] + (1-pc)*E[0][a][b][c]);

	if (a && pa > 0) amin(E[2][a][b][c], pa * E[0][a-1][b][c] + (1-pa)*E[0][a][b][c]);
	if (b && pb > 0) amin(E[2][a][b][c], pb * E[3][a][b-1][c] + (1-pb)*E[0][a][b][c]);
	if (c && pc > 0) amin(E[2][a][b][c], pc * E[3][a][b][c-1] + (1-pc)*E[0][a][b][c]);

	if (a && pa > 0) amin(E[3][a][b][c], pa * E[0][a-1][b][c] + (1-pa)*E[0][a][b][c]);
	if (b && pb > 0) amin(E[3][a][b][c], pb * E[0][a][b-1][c] + (1-pb)*E[0][a][b][c]);
	if (c && pc > 0) amin(E[3][a][b][c], pc * E[0][a][b][c-1] + (1-pc)*E[0][a][b][c]);

    }

    printf("%.12f\n", E[0][A][B][C]);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:26:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:27:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result