17 files changed, 78 insertions, 0 deletions

diff --git a/test/010_math_permtoindex/00_noperm.in b/test/010_math_permtoindex/00_noperm.in
new file mode 100644
index 0000000..f838f21
--- /dev/null
+++ b/test/010_math_permtoindex/00_noperm.in
@@ -0,0 +1,4 @@
+3
+0
+1
+1
diff --git a/test/010_math_permtoindex/00_noperm.out b/test/010_math_permtoindex/00_noperm.out
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/test/010_math_permtoindex/00_noperm.out
@@ -0,0 +1 @@
+-1
diff --git a/test/010_math_permtoindex/01_toobig.in b/test/010_math_permtoindex/01_toobig.in
new file mode 100644
index 0000000..a0fb28c
--- /dev/null
+++ b/test/010_math_permtoindex/01_toobig.in
@@ -0,0 +1,16 @@
+15
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
diff --git a/test/010_math_permtoindex/01_toobig.out b/test/010_math_permtoindex/01_toobig.out
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/test/010_math_permtoindex/01_toobig.out
@@ -0,0 +1 @@
+-1
diff --git a/test/010_math_permtoindex/02_offrange.in b/test/010_math_permtoindex/02_offrange.in
new file mode 100644
index 0000000..66ec716
--- /dev/null
+++ b/test/010_math_permtoindex/02_offrange.in
@@ -0,0 +1,4 @@
+3
+0
+4
+1
diff --git a/test/010_math_permtoindex/02_offrange.out b/test/010_math_permtoindex/02_offrange.out
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/test/010_math_permtoindex/02_offrange.out
@@ -0,0 +1 @@
+-1
diff --git a/test/010_math_permtoindex/03_2_solved.in b/test/010_math_permtoindex/03_2_solved.in
new file mode 100644
index 0000000..4c5d59c
--- /dev/null
+++ b/test/010_math_permtoindex/03_2_solved.in
@@ -0,0 +1,3 @@
+2
+0
+1
diff --git a/test/010_math_permtoindex/03_2_solved.out b/test/010_math_permtoindex/03_2_solved.out
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/test/010_math_permtoindex/03_2_solved.out
@@ -0,0 +1 @@
+0
diff --git a/test/010_math_permtoindex/04_2_swapped.in b/test/010_math_permtoindex/04_2_swapped.in
new file mode 100644
index 0000000..ae13693
--- /dev/null
+++ b/test/010_math_permtoindex/04_2_swapped.in
@@ -0,0 +1,3 @@
+2
+1
+0
diff --git a/test/010_math_permtoindex/04_2_swapped.out b/test/010_math_permtoindex/04_2_swapped.out
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/test/010_math_permtoindex/04_2_swapped.out
@@ -0,0 +1 @@
+1
diff --git a/test/010_math_permtoindex/05_7_solved.in b/test/010_math_permtoindex/05_7_solved.in
new file mode 100644
index 0000000..54b5db0
--- /dev/null
+++ b/test/010_math_permtoindex/05_7_solved.in
@@ -0,0 +1,8 @@
+7
+0
+1
+2
+3
+4
+5
+6
diff --git a/test/010_math_permtoindex/05_7_solved.out b/test/010_math_permtoindex/05_7_solved.out
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/test/010_math_permtoindex/05_7_solved.out
@@ -0,0 +1 @@
+0
diff --git a/test/010_math_permtoindex/06_7_reversed.in b/test/010_math_permtoindex/06_7_reversed.in
new file mode 100644
index 0000000..ed11605
--- /dev/null
+++ b/test/010_math_permtoindex/06_7_reversed.in
@@ -0,0 +1,8 @@
+7
+6
+5
+4
+3
+2
+1
+0
diff --git a/test/010_math_permtoindex/06_7_reversed.out b/test/010_math_permtoindex/06_7_reversed.out
new file mode 100644
index 0000000..ad2ea70
--- /dev/null
+++ b/test/010_math_permtoindex/06_7_reversed.out
@@ -0,0 +1 @@
+5039
diff --git a/test/010_math_permtoindex/07_4_random.in b/test/010_math_permtoindex/07_4_random.in
new file mode 100644
index 0000000..614bc61
--- /dev/null
+++ b/test/010_math_permtoindex/07_4_random.in
@@ -0,0 +1,5 @@
+4
+0
+2
+3
+1
diff --git a/test/010_math_permtoindex/07_4_random.out b/test/010_math_permtoindex/07_4_random.out
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/test/010_math_permtoindex/07_4_random.out
@@ -0,0 +1 @@
+3
diff --git a/test/010_math_permtoindex/permtoindex_tests.c b/test/010_math_permtoindex/permtoindex_tests.c
new file mode 100644
index 0000000..98c8207
--- /dev/null
+++ b/test/010_math_permtoindex/permtoindex_tests.c
@@ -0,0 +1,19 @@
+#include "../test.h"
+
+int64_t permtoindex(uint8_t *, int64_t);
+
+void run(void) {
+        char str[STRLENMAX];
+        uint8_t a[100];
+        int64_t n, i, p;
+
+        fgets(str, STRLENMAX, stdin);
+        n = atoll(str);
+        for (i = 0; i < n; i++) {
+                fgets(str, STRLENMAX, stdin);
+                a[i] = atoi(str);
+        }
+
+        p = permtoindex(a, n);
+        printf("%" PRId64 "\n", p);
+}