solutions: 282A

solutions/clang/282A.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+  int n,i;
+  scanf("%d", &n);
+
+  getchar();
+
+  int count = 0;
+
+  for (i = 0; i < n; i++) {
+    char operation[4];
+    scanf("%s", operation);
+
+    if (strcmp(operation, "X++") == 0 || strcmp(operation, "++X") == 0) {
+      count += 1; 
+    } else if (strcmp(operation, "X--") == 0 || strcmp(operation, "--X") == 0) {
+      count -= 1;
+    }
+  }
+  
+  printf("%d\n", count);
+
+  return 0;
+}