九度online：题目1002：Grading

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题目1002：Grading

    #include <stdio.h>    #include <math.h>    #include <stdlib.h>    int P,T,G1,G2,G3,GJ;    float ans;    int MAX(int a,int b,int c){        a = a > b ? a : b;        a = a > c ? a : c;        return a;    }    int closest(int a,int b,int c){        if(abs(a - c) < abs(b - c)) return a;        else return b;    }    int main(){        while(scanf("%d %d %d %d %d %d",&P,&T,&G1,&G2,&G3,&GJ) != EOF){            if(abs(G1-G2) <= T) ans = ((float)G1+(float)G2)/2.0;            else{                if((abs(G1-G3) <= T) && (abs(G2-G3) > T) || (abs(G1-G3) > T) && (abs(G2-G3) <= T))                    ans = ((float)G3 + (float)(closest(G1,G2,G3)))/2.0;                else if((abs(G1-G3) <= T && (abs(G2-G3) <= T))) ans = (float)MAX(G1,G2,G3);                else ans = (float)GJ;            }            printf("%.1f\n",ans);        }        return 0;    }    /**************************************************************        Problem: 1002        User: Doom_Judgement        Language: C++        Result: Accepted        Time:0 ms        Memory:1020 kb    ****************************************************************/

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