diff --git a/Algos_1/algos.c b/Algos_1/algos.c
new file mode 100644
index 0000000000000000000000000000000000000000..0235e354a5d050d310e6887479407eb8932c5b10
--- /dev/null
+++ b/Algos_1/algos.c
@@ -0,0 +1,55 @@
+#include "algos.h"
+#include <string.h>
+
+void triInsertion(int* A, int n){
+    int cle = 0;
+    for(int i = 1; i<n; i++){
+        cle=A[i];
+        int j = i - 1;
+        while (j >= 0 && A[j] > cle){
+            A[j+1] = A[j];
+            j = j-1;
+        }
+        A[j+1] = cle;
+    }
+}
+
+
+void sousTriFusion(int * A, int p, int r){
+    if(p<r-1){
+        int q = (int)(p+r/2);
+        sousTriFusion(A, p, q);
+        sousTriFusion(A, q, r);
+        fusion(A, p, q, r);
+    }
+}
+
+void fusion(int * A, int p, int q, int r){
+    int* Ad, Ag;
+    memset(Ad, 0, p);
+    memset(Ag, 0, q);
+    int n1 = q-p;
+    int n2 = r-q;
+    int indg = 0;
+    int indd = 0;
+    int i = p;
+    while (i < r){
+        if(indg == n1){
+            A[i] = Ad[indd];
+            indd++;
+        }
+        else if(Ad[indd] == n2){
+            A[i] == Ag[indg];
+            indg++;
+        }
+        else if(Ag[indg] < Ad[indd]){
+            A[i] = Ag[indg];
+            indg++;
+        }
+        else{
+            A[i] = Ad[indd];
+            indg++;
+        }
+        i++;
+    }
+}
\ No newline at end of file
diff --git a/Algos_1/algos.h b/Algos_1/algos.h
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/Algos_1/main.c b/Algos_1/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..66182a152b7aba96829c5c7311a2028bc4e0c5c9
--- /dev/null
+++ b/Algos_1/main.c
@@ -0,0 +1,8 @@
+#include "algos.h"
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char **argv){
+    if()
+    return 0;
+}
\ No newline at end of file
diff --git a/Algos_1/makefile b/Algos_1/makefile
new file mode 100644
index 0000000000000000000000000000000000000000..966a11e83b37b2412898baeb92fce69d49ecec01
--- /dev/null
+++ b/Algos_1/makefile
@@ -0,0 +1,10 @@
+all: algo
+
+algo: main.c algos.o
+	gcc -Wall main.c algos.o -Wall
+
+algos: algos.c algos.h
+	gcc -c algos.c algos.h -Wall
+
+clear:
+	rm *.o
\ No newline at end of file