Fix broken links for CCC problems

Author: mannyamorim

content/docs/2015/S4/_index.md

@@ -6,7 +6,7 @@ title: "2015-S4 Convex Hull"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2015/stage%201/seniorEn.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2015/stage%201/seniorEn.pdf)
 {{< /hint >}}
 
 ## Key Insight

content/docs/2016/CCOQR/Q1/_index.md

@@ -6,7 +6,7 @@ title: "2016-CCOQR-Q1 Stupendous Bowties"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/CCOQR/bowties.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/CCOQR/bowties.pdf)
 {{< /hint >}}
 
 ## Key Insight #1

content/docs/2016/CCOQR/Q2/_index.md

@@ -6,7 +6,7 @@ title: "2016-CCOQR-Q2 Through A Maze Darkly"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/CCOQR/maze.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/CCOQR/maze.pdf)
 {{< /hint >}}
 
 ## Key Insight #1

content/docs/2016/CCOQR/Q3/_index.md

@@ -6,7 +6,7 @@ title: "2016-CCOQR-Q3 Data Structure"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/CCOQR/data_structure.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/CCOQR/data_structure.pdf)
 {{< /hint >}}
 
 ## Key Insight #1

content/docs/2016/S2/_index.md

@@ -6,7 +6,7 @@ title: "2016-S2 Tandem Bicycle"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/stage%201/seniorEn.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/stage%201/seniorEn.pdf)
 {{< /hint >}}
 
 ## Key Insight #1 (Minimum)

content/docs/2016/S3/_index.md

@@ -6,7 +6,7 @@ title: "2016-S3 Phonomenal Reviews"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/stage%201/seniorEn.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/stage%201/seniorEn.pdf)
 {{< /hint >}}
 
 ## Key Insight #1

content/docs/2016/S4/_index.md

@@ -6,7 +6,7 @@ title: "2016-S4 Combining Rice Balls"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/stage%201/seniorEn.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/stage%201/seniorEn.pdf)
 {{< /hint >}}
 
 ## Analysis

content/docs/2016/S5/_index.md

@@ -6,7 +6,7 @@ title: "2016-S5 Circle of Life"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2016/stage%201/seniorEn.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2016/stage%201/seniorEn.pdf)
 {{< /hint >}}
 
 ## Key Insight #1

content/docs/2017/S3/_index.md

@@ -6,7 +6,7 @@ title: "2017-S3 Nailed It!"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2017/stage%201/seniorEF.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2017/stage%201/seniorEF.pdf)
 {{< /hint >}}
 
 ## Key Insight #1

content/docs/2020/S3/_index.md

@@ -6,7 +6,7 @@ title: "2020-S3 Searching for Strings"
 
 {{< hint info >}}
 **Problem Description**  
-[View Problem](https://cemc.uwaterloo.ca/contests/computing/2020/stage%201/seniorEF.pdf)
+[View Problem](https://cemc.uwaterloo.ca/contests/computing/past_ccc_contests/2020/ccc/seniorEF.pdf)
 {{< /hint >}}
 
 ## Key Insight #1