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WidgetRepairs.java
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WidgetRepairs.java
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//SRM150 DIV2 250
public class WidgetRepairs {
public int days(int[] arrivals, int numPerDay) {
int day = 0;
for (int i = 0; i < arrivals.length - 1; i++) {
if (arrivals[i] > 0) {
day++;
arrivals[i + 1] +=Math.max(arrivals[i] - numPerDay,0);
}
}
day += arrivals[arrivals.length - 1] / numPerDay;
if (arrivals[arrivals.length - 1] % numPerDay > 0) {
day++;
}
return day;
}
// END CUT HERE
}
// BEGIN CUT HERE
class WidgetRepairsHarness {
public static void run_test(int casenum) {
if (casenum != -1) {
if (runTestCase(casenum) == -1)
System.err.println("Illegal input! Test case " + casenum
+ " does not exist.");
return;
}
int correct = 0, total = 0;
for (int i = 0;; ++i) {
int x = runTestCase(i);
if (x == -1) {
if (i >= 100)
break;
continue;
}
correct += x;
++total;
}
if (total == 0) {
System.err.println("No test cases run.");
} else if (correct < total) {
System.err.println("Some cases FAILED (passed " + correct + " of "
+ total + ").");
} else {
System.err.println("All " + total + " tests passed!");
}
}
static boolean compareOutput(int expected, int result) {
return expected == result;
}
static String formatResult(int res) {
return String.format("%d", res);
}
static int verifyCase(int casenum, int expected, int received) {
System.err.print("Example " + casenum + "... ");
if (compareOutput(expected, received)) {
System.err.println("PASSED");
return 1;
} else {
System.err.println("FAILED");
System.err.println(" Expected: " + formatResult(expected));
System.err.println(" Received: " + formatResult(received));
return 0;
}
}
static int runTestCase(int casenum__) {
switch (casenum__) {
case 0: {
int[] arrivals = { 10, 0, 0, 4, 20 };
int numPerDay = 8;
int expected__ = 6;
return verifyCase(casenum__, expected__,
new WidgetRepairs().days(arrivals, numPerDay));
}
case 1: {
int[] arrivals = { 0, 0, 0 };
int numPerDay = 10;
int expected__ = 0;
return verifyCase(casenum__, expected__,
new WidgetRepairs().days(arrivals, numPerDay));
}
case 2: {
int[] arrivals = { 100, 100 };
int numPerDay = 10;
int expected__ = 20;
return verifyCase(casenum__, expected__,
new WidgetRepairs().days(arrivals, numPerDay));
}
case 3: {
int[] arrivals = { 27, 0, 0, 0, 0, 9 };
int numPerDay = 9;
int expected__ = 4;
return verifyCase(casenum__, expected__,
new WidgetRepairs().days(arrivals, numPerDay));
}
case 4: {
int[] arrivals = { 6, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6 };
int numPerDay = 3;
int expected__ = 15;
return verifyCase(casenum__, expected__,
new WidgetRepairs().days(arrivals, numPerDay));
}
// custom cases
case 5: {
int[] arrivals = new int[] { 11, 0, 1, 2 };
int numPerDay = 4;
int expected__ = 4;
return verifyCase(casenum__, expected__,
new WidgetRepairs().days(arrivals, numPerDay));
}
/*
* case 6: { int[] arrivals = ; int numPerDay = ; int expected__ = ;
*
* return verifyCase(casenum__, expected__, new
* WidgetRepairs().days(arrivals, numPerDay)); }
*/
/*
* case 7: { int[] arrivals = ; int numPerDay = ; int expected__ = ;
*
* return verifyCase(casenum__, expected__, new
* WidgetRepairs().days(arrivals, numPerDay)); }
*/
default:
return -1;
}
}
}
// END CUT HERE