Web Colors UVALive

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#include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>#include <string>#include <cmath>#include <set>#include <map>#include <stack>#include <queue>#include <ctype.h>#include <vector>#include <algorithm>#include <sstream>#define PI acos(-1.0)// cout << "  ===  " << endl;using namespace std;typedef long long ll;const int maxn = 50000 + 7, INF = 0x3f3f3f3f, mod = 1e9+7;double r, g, b;struct node {    string name;    double r, g, b;}a[maxn];void init() {    a[0].name = "White"; a[0].r = 255, a[0].g = 255, a[0].b = 255;    a[1].name = "Silver"; a[1].r = 192, a[1].g = 192, a[1].b = 192;    a[2].name = "Gray"; a[2].r = 128, a[2].g = 128, a[2].b = 128;    a[3].name = "Black"; a[3].r = 0, a[3].g = 0, a[3].b = 0;    a[4].name = "Red"; a[4].r = 255, a[4].g = 0, a[4].b = 0;    a[5].name = "Maroon"; a[5].r = 128, a[5].g = 0, a[5].b = 0;    a[6].name = "Yellow"; a[6].r = 255, a[6].g = 255, a[6].b = 0;    a[7].name = "Olive"; a[7].r = 128, a[7].g = 128, a[7].b = 0;    a[8].name = "Lime"; a[8].r = 0, a[8].g = 255, a[8].b = 0;    a[9].name = "Green"; a[9].r = 0, a[9].g = 128, a[9].b = 0;    a[10].name = "Aqua"; a[10].r = 0, a[10].g = 255, a[10].b = 255;    a[11].name = "Teal"; a[11].r = 0, a[11].g = 128, a[11].b = 128;    a[12].name = "Blue"; a[12].r = 0, a[12].g = 0, a[12].b = 255;    a[13].name = "Navy"; a[13].r = 0, a[13].g = 0, a[13].b = 128;    a[14].name = "Fuchsia"; a[14].r = 255, a[14].g = 0, a[14].b = 255;    a[15].name = "Purple"; a[15].r = 128, a[15].g = 0, a[15].b = 128;}void solve() {    int id = 0;    double d = (double)INF;    for(int i = 0; i < 16; ++i) {        double t = (a[i].r - r)*(a[i].r - r) + (a[i].g - g)*(a[i].g - g) + (a[i].b - b)*(a[i].b - b);        if(t < d) {            d = t;            id = i;        }    }    cout << a[id].name << endl;}int main () {    init();    while(scanf("%lf %lf %lf", &r, &g, &b) != EOF) {        if(r == -1 && g == -1 && b == -1) break;        solve();    }    return 0;}
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