TP2 exo 2.2

tp2/README.md

tp2/src/exercice1/problem1.rs

tp2/src/exercice1/problem2.rs

tp2/src/exercice1/problem3.rs

tp2/src/exercice1/problem4.rs

tp2/src/exercice1/problem5.rs

tp2/src/exercice2/elided1.rs

tp2/src/exercice2/elided2.rs

tp2/src/exercice2/elided3.rs

tp2/src/exercice2/explicit1.rs

tp2/src/exercice2/explicit2.rs

tp2/src/exercice2/explicit3.rs

tp2/src/main.rs