57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#include <stdio.h>
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#include <iostream>
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#include <algorithm>
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#include <string>
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#include <math.h>
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using namespace std;
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const double t = sqrt(2.0);
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int main()
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{
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string s;
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int icase = 1;
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while(cin >> s) {
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if(s == "END") {
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break;
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}
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int num = 0;
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double x = 0, y = 0;
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for(int i = 0; i < (int)s.length()-1; ++i) {
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if(s[i] >= '0' && s[i] <= '9') {
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num = num*10+(s[i]-'0');
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}
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else if(s[i] == ','){
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num = 0;
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continue;
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}
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else if(s[i] == 'N' && s[i+1] == 'E') {
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x+=num/t, y+=num/t, i++;
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}
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else if(s[i] == 'N' && s[i+1] == 'W') {
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x-=num/t, y+=num/t, i++;
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}
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else if(s[i] == 'S' && s[i+1] == 'E') {
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x+=num/t, y-=num/t, i++;
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}
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else if(s[i] == 'S' && s[i+1] == 'W') {
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x-=num/t, y-=num/t, i++;
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}
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else if(s[i] == 'N') {
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y+=num;
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}
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else if(s[i] == 'S') {
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y-=num;
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}
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else if(s[i] == 'E') {
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x+=num;
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}
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else if(s[i] == 'W') {
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x-=num;
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}
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}
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printf("Map #%d\n", icase++);
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printf("The treasure is located at (%.3lf,%.3lf).\n", x, y);
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printf("The distance to the treasure is %.3lf.\n\n", sqrt(x*x+y*y));
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}
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return 0;
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}
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